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Finding the Fourth Proportional to 115,957.83, 173,957.51 and 59,782.86

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Solution

The fourth proportional to 115,957.83, 173,957.51 and 59,782.86 is: 89,684.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,957.83 : 173,957.51 = 59,782.86 : x
  2. Step 2: Convert to fraction form
    115,957.83/173,957.51 = 59,782.86/x
  3. Step 3: Cross multiply
    115,957.83x = 173,957.51 × 59,782.86
  4. Step 4: Simplify right side
    115,957.83x = 10,399,677,531.67
  5. Step 5: Solve for x
    x = 10,399,677,531.67/115,957.83
  6. Step 6: Final answer
    x = 89,684.99

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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.