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Finding the Fourth Proportional to 118,323, 177,510.42 and 44,451

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Solution

The fourth proportional to 118,323, 177,510.42 and 44,451 is: 66,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,323 : 177,510.42 = 44,451 : x
  2. Step 2: Convert to fraction form
    118,323/177,510.42 = 44,451/x
  3. Step 3: Cross multiply
    118,323x = 177,510.42 × 44,451
  4. Step 4: Simplify right side
    118,323x = 7,890,515,679.42
  5. Step 5: Solve for x
    x = 7,890,515,679.42/118,323
  6. Step 6: Final answer
    x = 66,686.24

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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.