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Finding the Fourth Proportional to 104,873.60, 144,725.56 and 57,126.94

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Solution

The fourth proportional to 104,873.60, 144,725.56 and 57,126.94 is: 78,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,873.60 : 144,725.56 = 57,126.94 : x
  2. Step 2: Convert to fraction form
    104,873.60/144,725.56 = 57,126.94/x
  3. Step 3: Cross multiply
    104,873.60x = 144,725.56 × 57,126.94
  4. Step 4: Simplify right side
    104,873.60x = 8,267,727,877.96
  5. Step 5: Solve for x
    x = 8,267,727,877.96/104,873.60
  6. Step 6: Final answer
    x = 78,835.17

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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.