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Finding the Fourth Proportional to 434,149.72, 651,287.62 and 134,654.42

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Solution

The fourth proportional to 434,149.72, 651,287.62 and 134,654.42 is: 202,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,149.72 : 651,287.62 = 134,654.42 : x
  2. Step 2: Convert to fraction form
    434,149.72/651,287.62 = 134,654.42/x
  3. Step 3: Cross multiply
    434,149.72x = 651,287.62 × 134,654.42
  4. Step 4: Simplify right side
    434,149.72x = 87,698,754,857.32
  5. Step 5: Solve for x
    x = 87,698,754,857.32/434,149.72
  6. Step 6: Final answer
    x = 202,001.18

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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.