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Finding the Fourth Proportional to 113,674.77, 156,867.75 and 62,687.48

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Solution

The fourth proportional to 113,674.77, 156,867.75 and 62,687.48 is: 86,506.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,674.77 : 156,867.75 = 62,687.48 : x
  2. Step 2: Convert to fraction form
    113,674.77/156,867.75 = 62,687.48/x
  3. Step 3: Cross multiply
    113,674.77x = 156,867.75 × 62,687.48
  4. Step 4: Simplify right side
    113,674.77x = 9,833,643,156.43
  5. Step 5: Solve for x
    x = 9,833,643,156.43/113,674.77
  6. Step 6: Final answer
    x = 86,506.82

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1.5x scale

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.