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Finding the Fourth Proportional to 367,520.67, 551,319.14 and 101,281.23

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Solution

The fourth proportional to 367,520.67, 551,319.14 and 101,281.23 is: 151,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,520.67 : 551,319.14 = 101,281.23 : x
  2. Step 2: Convert to fraction form
    367,520.67/551,319.14 = 101,281.23/x
  3. Step 3: Cross multiply
    367,520.67x = 551,319.14 × 101,281.23
  4. Step 4: Simplify right side
    367,520.67x = 55,838,280,621.74
  5. Step 5: Solve for x
    x = 55,838,280,621.74/367,520.67
  6. Step 6: Final answer
    x = 151,932.35

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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.