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Finding the Fourth Proportional to 109,572.60, 151,210.19 and 59,271.60

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Solution

The fourth proportional to 109,572.60, 151,210.19 and 59,271.60 is: 81,794.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,572.60 : 151,210.19 = 59,271.60 : x
  2. Step 2: Convert to fraction form
    109,572.60/151,210.19 = 59,271.60/x
  3. Step 3: Cross multiply
    109,572.60x = 151,210.19 × 59,271.60
  4. Step 4: Simplify right side
    109,572.60x = 8,962,469,897.60
  5. Step 5: Solve for x
    x = 8,962,469,897.60/109,572.60
  6. Step 6: Final answer
    x = 81,794.81

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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.