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Finding the Fourth Proportional to 367,643.04, 551,502.89 and 101,403.60

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Solution

The fourth proportional to 367,643.04, 551,502.89 and 101,403.60 is: 152,115.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,643.04 : 551,502.89 = 101,403.60 : x
  2. Step 2: Convert to fraction form
    367,643.04/551,502.89 = 101,403.60/x
  3. Step 3: Cross multiply
    367,643.04x = 551,502.89 × 101,403.60
  4. Step 4: Simplify right side
    367,643.04x = 55,924,378,456.40
  5. Step 5: Solve for x
    x = 55,924,378,456.40/367,643.04
  6. Step 6: Final answer
    x = 152,115.97

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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.