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Finding the Fourth Proportional to 134,748.90, 202,107.15 and 55,854.90

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Solution

The fourth proportional to 134,748.90, 202,107.15 and 55,854.90 is: 83,775.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,748.90 : 202,107.15 = 55,854.90 : x
  2. Step 2: Convert to fraction form
    134,748.90/202,107.15 = 55,854.90/x
  3. Step 3: Cross multiply
    134,748.90x = 202,107.15 × 55,854.90
  4. Step 4: Simplify right side
    134,748.90x = 11,288,674,652.54
  5. Step 5: Solve for x
    x = 11,288,674,652.54/134,748.90
  6. Step 6: Final answer
    x = 83,775.63

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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.