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Finding the Fourth Proportional to 162,572.10, 224,347.98 and 90,952.38

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Solution

The fourth proportional to 162,572.10, 224,347.98 and 90,952.38 is: 125,513.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,572.10 : 224,347.98 = 90,952.38 : x
  2. Step 2: Convert to fraction form
    162,572.10/224,347.98 = 90,952.38/x
  3. Step 3: Cross multiply
    162,572.10x = 224,347.98 × 90,952.38
  4. Step 4: Simplify right side
    162,572.10x = 20,404,982,729.19
  5. Step 5: Solve for x
    x = 20,404,982,729.19/162,572.10
  6. Step 6: Final answer
    x = 125,513.44

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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.