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Finding the Fourth Proportional to 99,356.46, 137,041.41 and 61,065.73

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Solution

The fourth proportional to 99,356.46, 137,041.41 and 61,065.73 is: 84,227.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,356.46 : 137,041.41 = 61,065.73 : x
  2. Step 2: Convert to fraction form
    99,356.46/137,041.41 = 61,065.73/x
  3. Step 3: Cross multiply
    99,356.46x = 137,041.41 × 61,065.73
  4. Step 4: Simplify right side
    99,356.46x = 8,368,534,355.86
  5. Step 5: Solve for x
    x = 8,368,534,355.86/99,356.46
  6. Step 6: Final answer
    x = 84,227.38

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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.