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Finding the Fourth Proportional to 237,404.60, 356,106.90 and 71,192.60

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Solution

The fourth proportional to 237,404.60, 356,106.90 and 71,192.60 is: 106,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,404.60 : 356,106.90 = 71,192.60 : x
  2. Step 2: Convert to fraction form
    237,404.60/356,106.90 = 71,192.60/x
  3. Step 3: Cross multiply
    237,404.60x = 356,106.90 × 71,192.60
  4. Step 4: Simplify right side
    237,404.60x = 25,352,176,088.94
  5. Step 5: Solve for x
    x = 25,352,176,088.94/237,404.60
  6. Step 6: Final answer
    x = 106,788.90

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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.