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Finding the Fourth Proportional to 239,404.80, 359,192.88 and 102,570.48

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Solution

The fourth proportional to 239,404.80, 359,192.88 and 102,570.48 is: 153,892.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,404.80 : 359,192.88 = 102,570.48 : x
  2. Step 2: Convert to fraction form
    239,404.80/359,192.88 = 102,570.48/x
  3. Step 3: Cross multiply
    239,404.80x = 359,192.88 × 102,570.48
  4. Step 4: Simplify right side
    239,404.80x = 36,842,586,114.18
  5. Step 5: Solve for x
    x = 36,842,586,114.18/239,404.80
  6. Step 6: Final answer
    x = 153,892.43

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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.