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Finding the Fourth Proportional to 118,585.60, 177,590.40 and 63,059.20

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Solution

The fourth proportional to 118,585.60, 177,590.40 and 63,059.20 is: 94,435.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,585.60 : 177,590.40 = 63,059.20 : x
  2. Step 2: Convert to fraction form
    118,585.60/177,590.40 = 63,059.20/x
  3. Step 3: Cross multiply
    118,585.60x = 177,590.40 × 63,059.20
  4. Step 4: Simplify right side
    118,585.60x = 11,198,708,551.68
  5. Step 5: Solve for x
    x = 11,198,708,551.68/118,585.60
  6. Step 6: Final answer
    x = 94,435.65

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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.