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Finding the Fourth Proportional to 239,892.60, 359,666.10 and 134,743.80

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Solution

The fourth proportional to 239,892.60, 359,666.10 and 134,743.80 is: 202,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,892.60 : 359,666.10 = 134,743.80 : x
  2. Step 2: Convert to fraction form
    239,892.60/359,666.10 = 134,743.80/x
  3. Step 3: Cross multiply
    239,892.60x = 359,666.10 × 134,743.80
  4. Step 4: Simplify right side
    239,892.60x = 48,462,777,045.18
  5. Step 5: Solve for x
    x = 48,462,777,045.18/239,892.60
  6. Step 6: Final answer
    x = 202,018.64

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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.