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Finding the Fourth Proportional to 118,600.83, 177,925.02 and 43,721.31

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Solution

The fourth proportional to 118,600.83, 177,925.02 and 43,721.31 is: 65,590.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,600.83 : 177,925.02 = 43,721.31 : x
  2. Step 2: Convert to fraction form
    118,600.83/177,925.02 = 43,721.31/x
  3. Step 3: Cross multiply
    118,600.83x = 177,925.02 × 43,721.31
  4. Step 4: Simplify right side
    118,600.83x = 7,779,114,956.18
  5. Step 5: Solve for x
    x = 7,779,114,956.18/118,600.83
  6. Step 6: Final answer
    x = 65,590.73

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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.