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Finding the Fourth Proportional to 113,471.16, 156,588.84 and 62,482.80

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Solution

The fourth proportional to 113,471.16, 156,588.84 and 62,482.80 is: 86,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,471.16 : 156,588.84 = 62,482.80 : x
  2. Step 2: Convert to fraction form
    113,471.16/156,588.84 = 62,482.80/x
  3. Step 3: Cross multiply
    113,471.16x = 156,588.84 × 62,482.80
  4. Step 4: Simplify right side
    113,471.16x = 9,784,109,171.95
  5. Step 5: Solve for x
    x = 9,784,109,171.95/113,471.16
  6. Step 6: Final answer
    x = 86,225.51

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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.