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Finding the Fourth Proportional to 118,394.88, 177,387.52 and 62,822.40

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Solution

The fourth proportional to 118,394.88, 177,387.52 and 62,822.40 is: 94,124.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,394.88 : 177,387.52 = 62,822.40 : x
  2. Step 2: Convert to fraction form
    118,394.88/177,387.52 = 62,822.40/x
  3. Step 3: Cross multiply
    118,394.88x = 177,387.52 × 62,822.40
  4. Step 4: Simplify right side
    118,394.88x = 11,143,909,736.45
  5. Step 5: Solve for x
    x = 11,143,909,736.45/118,394.88
  6. Step 6: Final answer
    x = 94,124.93

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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.