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Finding the Fourth Proportional to 367,909.84, 551,403.32 and 157,300.56

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Solution

The fourth proportional to 367,909.84, 551,403.32 and 157,300.56 is: 235,753.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,909.84 : 551,403.32 = 157,300.56 : x
  2. Step 2: Convert to fraction form
    367,909.84/551,403.32 = 157,300.56/x
  3. Step 3: Cross multiply
    367,909.84x = 551,403.32 × 157,300.56
  4. Step 4: Simplify right side
    367,909.84x = 86,736,051,021.86
  5. Step 5: Solve for x
    x = 86,736,051,021.86/367,909.84
  6. Step 6: Final answer
    x = 235,753.55

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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.