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Finding the Fourth Proportional to 138,551.04, 207,651.84 and 59,573.76

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Solution

The fourth proportional to 138,551.04, 207,651.84 and 59,573.76 is: 89,285.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,551.04 : 207,651.84 = 59,573.76 : x
  2. Step 2: Convert to fraction form
    138,551.04/207,651.84 = 59,573.76/x
  3. Step 3: Cross multiply
    138,551.04x = 207,651.84 × 59,573.76
  4. Step 4: Simplify right side
    138,551.04x = 12,370,600,879.72
  5. Step 5: Solve for x
    x = 12,370,600,879.72/138,551.04
  6. Step 6: Final answer
    x = 89,285.51

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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.