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Finding the Fourth Proportional to 169,575.60, 254,363.40 and 51,265.20

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Solution

The fourth proportional to 169,575.60, 254,363.40 and 51,265.20 is: 76,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,575.60 : 254,363.40 = 51,265.20 : x
  2. Step 2: Convert to fraction form
    169,575.60/254,363.40 = 51,265.20/x
  3. Step 3: Cross multiply
    169,575.60x = 254,363.40 × 51,265.20
  4. Step 4: Simplify right side
    169,575.60x = 13,039,990,573.68
  5. Step 5: Solve for x
    x = 13,039,990,573.68/169,575.60
  6. Step 6: Final answer
    x = 76,897.80

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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.