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Finding the Fourth Proportional to 104,640.59, 144,401.00 and 59,322.78

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Solution

The fourth proportional to 104,640.59, 144,401.00 and 59,322.78 is: 81,863.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,640.59 : 144,401.00 = 59,322.78 : x
  2. Step 2: Convert to fraction form
    104,640.59/144,401.00 = 59,322.78/x
  3. Step 3: Cross multiply
    104,640.59x = 144,401.00 × 59,322.78
  4. Step 4: Simplify right side
    104,640.59x = 8,566,268,458.17
  5. Step 5: Solve for x
    x = 8,566,268,458.17/104,640.59
  6. Step 6: Final answer
    x = 81,863.72

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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.