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Finding the Fourth Proportional to 104,384.88, 144,049.28 and 63,534.24

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Solution

The fourth proportional to 104,384.88, 144,049.28 and 63,534.24 is: 87,676.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,384.88 : 144,049.28 = 63,534.24 : x
  2. Step 2: Convert to fraction form
    104,384.88/144,049.28 = 63,534.24/x
  3. Step 3: Cross multiply
    104,384.88x = 144,049.28 × 63,534.24
  4. Step 4: Simplify right side
    104,384.88x = 9,152,061,209.68
  5. Step 5: Solve for x
    x = 9,152,061,209.68/104,384.88
  6. Step 6: Final answer
    x = 87,676.12

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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.