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Finding the Fourth Proportional to 55,502.80, 83,254.20 and 48,941.80

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Solution

The fourth proportional to 55,502.80, 83,254.20 and 48,941.80 is: 73,412.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,502.80 : 83,254.20 = 48,941.80 : x
  2. Step 2: Convert to fraction form
    55,502.80/83,254.20 = 48,941.80/x
  3. Step 3: Cross multiply
    55,502.80x = 83,254.20 × 48,941.80
  4. Step 4: Simplify right side
    55,502.80x = 4,074,610,405.56
  5. Step 5: Solve for x
    x = 4,074,610,405.56/55,502.80
  6. Step 6: Final answer
    x = 73,412.70

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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.