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Finding the Fourth Proportional to 91,006.59, 125,552.07 and 60,394.10

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Solution

The fourth proportional to 91,006.59, 125,552.07 and 60,394.10 is: 83,319.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,006.59 : 125,552.07 = 60,394.10 : x
  2. Step 2: Convert to fraction form
    91,006.59/125,552.07 = 60,394.10/x
  3. Step 3: Cross multiply
    91,006.59x = 125,552.07 × 60,394.10
  4. Step 4: Simplify right side
    91,006.59x = 7,582,603,643.03
  5. Step 5: Solve for x
    x = 7,582,603,643.03/91,006.59
  6. Step 6: Final answer
    x = 83,319.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.