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Finding the Fourth Proportional to 162,324.95, 224,007.96 and 90,705.05

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Solution

The fourth proportional to 162,324.95, 224,007.96 and 90,705.05 is: 125,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,324.95 : 224,007.96 = 90,705.05 : x
  2. Step 2: Convert to fraction form
    162,324.95/224,007.96 = 90,705.05/x
  3. Step 3: Cross multiply
    162,324.95x = 224,007.96 × 90,705.05
  4. Step 4: Simplify right side
    162,324.95x = 20,318,652,092.16
  5. Step 5: Solve for x
    x = 20,318,652,092.16/162,324.95
  6. Step 6: Final answer
    x = 125,172.70

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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.