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Finding the Fourth Proportional to 162,338.53, 224,023.02 and 90,719.14

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Solution

The fourth proportional to 162,338.53, 224,023.02 and 90,719.14 is: 125,190.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,338.53 : 224,023.02 = 90,719.14 : x
  2. Step 2: Convert to fraction form
    162,338.53/224,023.02 = 90,719.14/x
  3. Step 3: Cross multiply
    162,338.53x = 224,023.02 × 90,719.14
  4. Step 4: Simplify right side
    162,338.53x = 20,323,175,714.60
  5. Step 5: Solve for x
    x = 20,323,175,714.60/162,338.53
  6. Step 6: Final answer
    x = 125,190.09

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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.