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Finding the Fourth Proportional to 113,491.82, 156,612.62 and 62,494.58

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Solution

The fourth proportional to 113,491.82, 156,612.62 and 62,494.58 is: 86,239.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,491.82 : 156,612.62 = 62,494.58 : x
  2. Step 2: Convert to fraction form
    113,491.82/156,612.62 = 62,494.58/x
  3. Step 3: Cross multiply
    113,491.82x = 156,612.62 × 62,494.58
  4. Step 4: Simplify right side
    113,491.82x = 9,787,439,988.66
  5. Step 5: Solve for x
    x = 9,787,439,988.66/113,491.82
  6. Step 6: Final answer
    x = 86,239.17

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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.