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Finding the Fourth Proportional to 107,055.66, 147,737.86 and 59,309.66

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Solution

The fourth proportional to 107,055.66, 147,737.86 and 59,309.66 is: 81,847.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,055.66 : 147,737.86 = 59,309.66 : x
  2. Step 2: Convert to fraction form
    107,055.66/147,737.86 = 59,309.66/x
  3. Step 3: Cross multiply
    107,055.66x = 147,737.86 × 59,309.66
  4. Step 4: Simplify right side
    107,055.66x = 8,762,282,245.73
  5. Step 5: Solve for x
    x = 8,762,282,245.73/107,055.66
  6. Step 6: Final answer
    x = 81,847.91

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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.