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Finding the Fourth Proportional to 104,863.70, 144,718.71 and 62,416.46

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Solution

The fourth proportional to 104,863.70, 144,718.71 and 62,416.46 is: 86,138.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,863.70 : 144,718.71 = 62,416.46 : x
  2. Step 2: Convert to fraction form
    104,863.70/144,718.71 = 62,416.46/x
  3. Step 3: Cross multiply
    104,863.70x = 144,718.71 × 62,416.46
  4. Step 4: Simplify right side
    104,863.70x = 9,032,829,573.97
  5. Step 5: Solve for x
    x = 9,032,829,573.97/104,863.70
  6. Step 6: Final answer
    x = 86,138.76

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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.