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Finding the Fourth Proportional to 161,510,718.76, 222,883,658.04 and 88,171,860.76

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Solution

The fourth proportional to 161,510,718.76, 222,883,658.04 and 88,171,860.76 is: 121,676,548.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,510,718.76 : 222,883,658.04 = 88,171,860.76 : x
  2. Step 2: Convert to fraction form
    161,510,718.76/222,883,658.04 = 88,171,860.76/x
  3. Step 3: Cross multiply
    161,510,718.76x = 222,883,658.04 × 88,171,860.76
  4. Step 4: Simplify right side
    161,510,718.76x = 19,652,066,862,382,336
  5. Step 5: Solve for x
    x = 19,652,066,862,382,336/161,510,718.76
  6. Step 6: Final answer
    x = 121,676,548.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.