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Finding the Fourth Proportional to 118,924.71, 178,413.30 and 34,691.46

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Solution

The fourth proportional to 118,924.71, 178,413.30 and 34,691.46 is: 52,044.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,924.71 : 178,413.30 = 34,691.46 : x
  2. Step 2: Convert to fraction form
    118,924.71/178,413.30 = 34,691.46/x
  3. Step 3: Cross multiply
    118,924.71x = 178,413.30 × 34,691.46
  4. Step 4: Simplify right side
    118,924.71x = 6,189,417,860.42
  5. Step 5: Solve for x
    x = 6,189,417,860.42/118,924.71
  6. Step 6: Final answer
    x = 52,044.84

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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.