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Finding the Fourth Proportional to 122,500.60, 183,707.70 and 55,972.60

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Solution

The fourth proportional to 122,500.60, 183,707.70 and 55,972.60 is: 83,939.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,500.60 : 183,707.70 = 55,972.60 : x
  2. Step 2: Convert to fraction form
    122,500.60/183,707.70 = 55,972.60/x
  3. Step 3: Cross multiply
    122,500.60x = 183,707.70 × 55,972.60
  4. Step 4: Simplify right side
    122,500.60x = 10,282,597,609.02
  5. Step 5: Solve for x
    x = 10,282,597,609.02/122,500.60
  6. Step 6: Final answer
    x = 83,939.16

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1.5x scale

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.