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Finding the Fourth Proportional to 243,500.52, 336,030.17 and 136,070.56

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Solution

The fourth proportional to 243,500.52, 336,030.17 and 136,070.56 is: 187,777.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,500.52 : 336,030.17 = 136,070.56 : x
  2. Step 2: Convert to fraction form
    243,500.52/336,030.17 = 136,070.56/x
  3. Step 3: Cross multiply
    243,500.52x = 336,030.17 × 136,070.56
  4. Step 4: Simplify right side
    243,500.52x = 45,723,812,908.90
  5. Step 5: Solve for x
    x = 45,723,812,908.90/243,500.52
  6. Step 6: Final answer
    x = 187,777.06

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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.