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Finding the Fourth Proportional to 162,358.53, 224,057.30 and 90,743.19

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Solution

The fourth proportional to 162,358.53, 224,057.30 and 90,743.19 is: 125,227.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,358.53 : 224,057.30 = 90,743.19 : x
  2. Step 2: Convert to fraction form
    162,358.53/224,057.30 = 90,743.19/x
  3. Step 3: Cross multiply
    162,358.53x = 224,057.30 × 90,743.19
  4. Step 4: Simplify right side
    162,358.53x = 20,331,674,144.79
  5. Step 5: Solve for x
    x = 20,331,674,144.79/162,358.53
  6. Step 6: Final answer
    x = 125,227.02

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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.