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Finding the Fourth Proportional to 539,188.11, 808,906.64 and 160,100.42

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Solution

The fourth proportional to 539,188.11, 808,906.64 and 160,100.42 is: 240,187.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,188.11 : 808,906.64 = 160,100.42 : x
  2. Step 2: Convert to fraction form
    539,188.11/808,906.64 = 160,100.42/x
  3. Step 3: Cross multiply
    539,188.11x = 808,906.64 × 160,100.42
  4. Step 4: Simplify right side
    539,188.11x = 129,506,287,959.75
  5. Step 5: Solve for x
    x = 129,506,287,959.75/539,188.11
  6. Step 6: Final answer
    x = 240,187.58

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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.