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Finding the Fourth Proportional to 98,226.80, 135,569.24 and 57,950.42

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Solution

The fourth proportional to 98,226.80, 135,569.24 and 57,950.42 is: 79,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,226.80 : 135,569.24 = 57,950.42 : x
  2. Step 2: Convert to fraction form
    98,226.80/135,569.24 = 57,950.42/x
  3. Step 3: Cross multiply
    98,226.80x = 135,569.24 × 57,950.42
  4. Step 4: Simplify right side
    98,226.80x = 7,856,293,429.48
  5. Step 5: Solve for x
    x = 7,856,293,429.48/98,226.80
  6. Step 6: Final answer
    x = 79,981.16

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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.