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Finding the Fourth Proportional to 170,043.40, 254,903.10 and 63,398.80

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Solution

The fourth proportional to 170,043.40, 254,903.10 and 63,398.80 is: 95,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,043.40 : 254,903.10 = 63,398.80 : x
  2. Step 2: Convert to fraction form
    170,043.40/254,903.10 = 63,398.80/x
  3. Step 3: Cross multiply
    170,043.40x = 254,903.10 × 63,398.80
  4. Step 4: Simplify right side
    170,043.40x = 16,160,550,656.28
  5. Step 5: Solve for x
    x = 16,160,550,656.28/170,043.40
  6. Step 6: Final answer
    x = 95,037.80

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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.