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Finding the Fourth Proportional to 116,647.17, 174,963.47 and 60,470.43

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Solution

The fourth proportional to 116,647.17, 174,963.47 and 60,470.43 is: 90,701.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,647.17 : 174,963.47 = 60,470.43 : x
  2. Step 2: Convert to fraction form
    116,647.17/174,963.47 = 60,470.43/x
  3. Step 3: Cross multiply
    116,647.17x = 174,963.47 × 60,470.43
  4. Step 4: Simplify right side
    116,647.17x = 10,580,115,962.84
  5. Step 5: Solve for x
    x = 10,580,115,962.84/116,647.17
  6. Step 6: Final answer
    x = 90,701.87

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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.