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Finding the Fourth Proportional to 59,226.66, 81,679.88 and 49,139.12

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Solution

The fourth proportional to 59,226.66, 81,679.88 and 49,139.12 is: 67,768.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,226.66 : 81,679.88 = 49,139.12 : x
  2. Step 2: Convert to fraction form
    59,226.66/81,679.88 = 49,139.12/x
  3. Step 3: Cross multiply
    59,226.66x = 81,679.88 × 49,139.12
  4. Step 4: Simplify right side
    59,226.66x = 4,013,677,751.95
  5. Step 5: Solve for x
    x = 4,013,677,751.95/59,226.66
  6. Step 6: Final answer
    x = 67,768.09

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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.