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Finding the Fourth Proportional to 162,337.92, 224,022.16 and 90,718.53

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Solution

The fourth proportional to 162,337.92, 224,022.16 and 90,718.53 is: 125,189.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,337.92 : 224,022.16 = 90,718.53 : x
  2. Step 2: Convert to fraction form
    162,337.92/224,022.16 = 90,718.53/x
  3. Step 3: Cross multiply
    162,337.92x = 224,022.16 × 90,718.53
  4. Step 4: Simplify right side
    162,337.92x = 20,322,961,065.77
  5. Step 5: Solve for x
    x = 20,322,961,065.77/162,337.92
  6. Step 6: Final answer
    x = 125,189.24

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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.