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Finding the Fourth Proportional to 122,347.53, 183,532.23 and 47,465.87

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Solution

The fourth proportional to 122,347.53, 183,532.23 and 47,465.87 is: 71,203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,347.53 : 183,532.23 = 47,465.87 : x
  2. Step 2: Convert to fraction form
    122,347.53/183,532.23 = 47,465.87/x
  3. Step 3: Cross multiply
    122,347.53x = 183,532.23 × 47,465.87
  4. Step 4: Simplify right side
    122,347.53x = 8,711,516,052.33
  5. Step 5: Solve for x
    x = 8,711,516,052.33/122,347.53
  6. Step 6: Final answer
    x = 71,203.04

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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.