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Finding the Fourth Proportional to 161,098.16, 222,315.48 and 89,484.84

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Solution

The fourth proportional to 161,098.16, 222,315.48 and 89,484.84 is: 123,489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,098.16 : 222,315.48 = 89,484.84 : x
  2. Step 2: Convert to fraction form
    161,098.16/222,315.48 = 89,484.84/x
  3. Step 3: Cross multiply
    161,098.16x = 222,315.48 × 89,484.84
  4. Step 4: Simplify right side
    161,098.16x = 19,893,865,157.32
  5. Step 5: Solve for x
    x = 19,893,865,157.32/161,098.16
  6. Step 6: Final answer
    x = 123,489.09

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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.