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Finding the Fourth Proportional to 136,560.20, 204,849.52 and 65,498.42

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Solution

The fourth proportional to 136,560.20, 204,849.52 and 65,498.42 is: 98,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,560.20 : 204,849.52 = 65,498.42 : x
  2. Step 2: Convert to fraction form
    136,560.20/204,849.52 = 65,498.42/x
  3. Step 3: Cross multiply
    136,560.20x = 204,849.52 × 65,498.42
  4. Step 4: Simplify right side
    136,560.20x = 13,417,318,873.51
  5. Step 5: Solve for x
    x = 13,417,318,873.51/136,560.20
  6. Step 6: Final answer
    x = 98,252.05

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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.