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Finding the Fourth Proportional to 113,510.88, 156,643.60 and 62,522.56

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Solution

The fourth proportional to 113,510.88, 156,643.60 and 62,522.56 is: 86,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,510.88 : 156,643.60 = 62,522.56 : x
  2. Step 2: Convert to fraction form
    113,510.88/156,643.60 = 62,522.56/x
  3. Step 3: Cross multiply
    113,510.88x = 156,643.60 × 62,522.56
  4. Step 4: Simplify right side
    113,510.88x = 9,793,758,879.62
  5. Step 5: Solve for x
    x = 9,793,758,879.62/113,510.88
  6. Step 6: Final answer
    x = 86,280.35

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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.