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Finding the Fourth Proportional to 114,925.86, 172,355.11 and 44,788.42

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Solution

The fourth proportional to 114,925.86, 172,355.11 and 44,788.42 is: 67,169.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,925.86 : 172,355.11 = 44,788.42 : x
  2. Step 2: Convert to fraction form
    114,925.86/172,355.11 = 44,788.42/x
  3. Step 3: Cross multiply
    114,925.86x = 172,355.11 × 44,788.42
  4. Step 4: Simplify right side
    114,925.86x = 7,719,513,055.83
  5. Step 5: Solve for x
    x = 7,719,513,055.83/114,925.86
  6. Step 6: Final answer
    x = 67,169.50

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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.