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Finding the Fourth Proportional to 113,055, 156,017.88 and 62,072.52

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Solution

The fourth proportional to 113,055, 156,017.88 and 62,072.52 is: 85,661.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,055 : 156,017.88 = 62,072.52 : x
  2. Step 2: Convert to fraction form
    113,055/156,017.88 = 62,072.52/x
  3. Step 3: Cross multiply
    113,055x = 156,017.88 × 62,072.52
  4. Step 4: Simplify right side
    113,055x = 9,684,422,976.66
  5. Step 5: Solve for x
    x = 9,684,422,976.66/113,055
  6. Step 6: Final answer
    x = 85,661.16

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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.