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Finding the Fourth Proportional to 122,750.60, 183,737.10 and 96,312.20

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Solution

The fourth proportional to 122,750.60, 183,737.10 and 96,312.20 is: 144,163.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,750.60 : 183,737.10 = 96,312.20 : x
  2. Step 2: Convert to fraction form
    122,750.60/183,737.10 = 96,312.20/x
  3. Step 3: Cross multiply
    122,750.60x = 183,737.10 × 96,312.20
  4. Step 4: Simplify right side
    122,750.60x = 17,696,124,322.62
  5. Step 5: Solve for x
    x = 17,696,124,322.62/122,750.60
  6. Step 6: Final answer
    x = 144,163.24

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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.