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Finding the Fourth Proportional to 118,615.68, 177,923.52 and 29,876.10

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Solution

The fourth proportional to 118,615.68, 177,923.52 and 29,876.10 is: 44,814.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,615.68 : 177,923.52 = 29,876.10 : x
  2. Step 2: Convert to fraction form
    118,615.68/177,923.52 = 29,876.10/x
  3. Step 3: Cross multiply
    118,615.68x = 177,923.52 × 29,876.10
  4. Step 4: Simplify right side
    118,615.68x = 5,315,660,875.87
  5. Step 5: Solve for x
    x = 5,315,660,875.87/118,615.68
  6. Step 6: Final answer
    x = 44,814.15

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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.