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Finding the Fourth Proportional to 162,337.53, 224,021.64 and 90,718.14

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Solution

The fourth proportional to 162,337.53, 224,021.64 and 90,718.14 is: 125,188.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,337.53 : 224,021.64 = 90,718.14 : x
  2. Step 2: Convert to fraction form
    162,337.53/224,021.64 = 90,718.14/x
  3. Step 3: Cross multiply
    162,337.53x = 224,021.64 × 90,718.14
  4. Step 4: Simplify right side
    162,337.53x = 20,322,826,500.55
  5. Step 5: Solve for x
    x = 20,322,826,500.55/162,337.53
  6. Step 6: Final answer
    x = 125,188.71

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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.