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Finding the Fourth Proportional to 104,758.80, 144,202.02 and 91,306.68

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Solution

The fourth proportional to 104,758.80, 144,202.02 and 91,306.68 is: 125,684.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,758.80 : 144,202.02 = 91,306.68 : x
  2. Step 2: Convert to fraction form
    104,758.80/144,202.02 = 91,306.68/x
  3. Step 3: Cross multiply
    104,758.80x = 144,202.02 × 91,306.68
  4. Step 4: Simplify right side
    104,758.80x = 13,166,607,695.49
  5. Step 5: Solve for x
    x = 13,166,607,695.49/104,758.80
  6. Step 6: Final answer
    x = 125,684.98

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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.