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Finding the Fourth Proportional to 113,517, 156,657.06 and 62,533.44

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Solution

The fourth proportional to 113,517, 156,657.06 and 62,533.44 is: 86,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,517 : 156,657.06 = 62,533.44 : x
  2. Step 2: Convert to fraction form
    113,517/156,657.06 = 62,533.44/x
  3. Step 3: Cross multiply
    113,517x = 156,657.06 × 62,533.44
  4. Step 4: Simplify right side
    113,517x = 9,796,304,862.09
  5. Step 5: Solve for x
    x = 9,796,304,862.09/113,517
  6. Step 6: Final answer
    x = 86,298.13

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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.