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Finding the Fourth Proportional to 161,479.84, 222,868.88 and 94,398.88

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Solution

The fourth proportional to 161,479.84, 222,868.88 and 94,398.88 is: 130,286.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,479.84 : 222,868.88 = 94,398.88 : x
  2. Step 2: Convert to fraction form
    161,479.84/222,868.88 = 94,398.88/x
  3. Step 3: Cross multiply
    161,479.84x = 222,868.88 × 94,398.88
  4. Step 4: Simplify right side
    161,479.84x = 21,038,572,658.85
  5. Step 5: Solve for x
    x = 21,038,572,658.85/161,479.84
  6. Step 6: Final answer
    x = 130,286.06

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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.