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Finding the Fourth Proportional to 133,776.88, 200,686.08 and 45,023.46

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Solution

The fourth proportional to 133,776.88, 200,686.08 and 45,023.46 is: 67,542.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,776.88 : 200,686.08 = 45,023.46 : x
  2. Step 2: Convert to fraction form
    133,776.88/200,686.08 = 45,023.46/x
  3. Step 3: Cross multiply
    133,776.88x = 200,686.08 × 45,023.46
  4. Step 4: Simplify right side
    133,776.88x = 9,035,581,695.44
  5. Step 5: Solve for x
    x = 9,035,581,695.44/133,776.88
  6. Step 6: Final answer
    x = 67,542.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.