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Finding the Fourth Proportional to 59,102.40, 88,718.40 and 36,940.80

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Solution

The fourth proportional to 59,102.40, 88,718.40 and 36,940.80 is: 55,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,102.40 : 88,718.40 = 36,940.80 : x
  2. Step 2: Convert to fraction form
    59,102.40/88,718.40 = 36,940.80/x
  3. Step 3: Cross multiply
    59,102.40x = 88,718.40 × 36,940.80
  4. Step 4: Simplify right side
    59,102.40x = 3,277,328,670.72
  5. Step 5: Solve for x
    x = 3,277,328,670.72/59,102.40
  6. Step 6: Final answer
    x = 55,451.70

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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.