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Finding the Fourth Proportional to 134,751.60, 202,151.70 and 55,873.80

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Solution

The fourth proportional to 134,751.60, 202,151.70 and 55,873.80 is: 83,820.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,751.60 : 202,151.70 = 55,873.80 : x
  2. Step 2: Convert to fraction form
    134,751.60/202,151.70 = 55,873.80/x
  3. Step 3: Cross multiply
    134,751.60x = 202,151.70 × 55,873.80
  4. Step 4: Simplify right side
    134,751.60x = 11,294,983,655.46
  5. Step 5: Solve for x
    x = 11,294,983,655.46/134,751.60
  6. Step 6: Final answer
    x = 83,820.78

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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.