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Finding the Fourth Proportional to 237,812.80, 356,719.20 and 97,499.20

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Solution

The fourth proportional to 237,812.80, 356,719.20 and 97,499.20 is: 146,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,812.80 : 356,719.20 = 97,499.20 : x
  2. Step 2: Convert to fraction form
    237,812.80/356,719.20 = 97,499.20/x
  3. Step 3: Cross multiply
    237,812.80x = 356,719.20 × 97,499.20
  4. Step 4: Simplify right side
    237,812.80x = 34,779,836,624.64
  5. Step 5: Solve for x
    x = 34,779,836,624.64/237,812.80
  6. Step 6: Final answer
    x = 146,248.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.