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Finding the Fourth Proportional to 77,495.52, 116,314.56 and 60,077.28

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Solution

The fourth proportional to 77,495.52, 116,314.56 and 60,077.28 is: 90,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,495.52 : 116,314.56 = 60,077.28 : x
  2. Step 2: Convert to fraction form
    77,495.52/116,314.56 = 60,077.28/x
  3. Step 3: Cross multiply
    77,495.52x = 116,314.56 × 60,077.28
  4. Step 4: Simplify right side
    77,495.52x = 6,987,862,389.20
  5. Step 5: Solve for x
    x = 6,987,862,389.20/77,495.52
  6. Step 6: Final answer
    x = 90,171.18

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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.