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Finding the Fourth Proportional to 122,520.60, 183,756.60 and 59,340.60

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Solution

The fourth proportional to 122,520.60, 183,756.60 and 59,340.60 is: 88,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,520.60 : 183,756.60 = 59,340.60 : x
  2. Step 2: Convert to fraction form
    122,520.60/183,756.60 = 59,340.60/x
  3. Step 3: Cross multiply
    122,520.60x = 183,756.60 × 59,340.60
  4. Step 4: Simplify right side
    122,520.60x = 10,904,226,897.96
  5. Step 5: Solve for x
    x = 10,904,226,897.96/122,520.60
  6. Step 6: Final answer
    x = 88,999.13

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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.