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Finding the Fourth Proportional to 168,052.80, 252,006.30 and 55,689.60

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Solution

The fourth proportional to 168,052.80, 252,006.30 and 55,689.60 is: 83,510.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,052.80 : 252,006.30 = 55,689.60 : x
  2. Step 2: Convert to fraction form
    168,052.80/252,006.30 = 55,689.60/x
  3. Step 3: Cross multiply
    168,052.80x = 252,006.30 × 55,689.60
  4. Step 4: Simplify right side
    168,052.80x = 14,034,130,044.48
  5. Step 5: Solve for x
    x = 14,034,130,044.48/168,052.80
  6. Step 6: Final answer
    x = 83,510.24

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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.