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Finding the Fourth Proportional to 168,648.80, 253,070.40 and 63,543.20

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Solution

The fourth proportional to 168,648.80, 253,070.40 and 63,543.20 is: 95,351.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,648.80 : 253,070.40 = 63,543.20 : x
  2. Step 2: Convert to fraction form
    168,648.80/253,070.40 = 63,543.20/x
  3. Step 3: Cross multiply
    168,648.80x = 253,070.40 × 63,543.20
  4. Step 4: Simplify right side
    168,648.80x = 16,080,903,041.28
  5. Step 5: Solve for x
    x = 16,080,903,041.28/168,648.80
  6. Step 6: Final answer
    x = 95,351.42

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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.