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Finding the Fourth Proportional to 104,799.80, 157,100.88 and 52,159.52

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Solution

The fourth proportional to 104,799.80, 157,100.88 and 52,159.52 is: 78,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,799.80 : 157,100.88 = 52,159.52 : x
  2. Step 2: Convert to fraction form
    104,799.80/157,100.88 = 52,159.52/x
  3. Step 3: Cross multiply
    104,799.80x = 157,100.88 × 52,159.52
  4. Step 4: Simplify right side
    104,799.80x = 8,194,306,492.38
  5. Step 5: Solve for x
    x = 8,194,306,492.38/104,799.80
  6. Step 6: Final answer
    x = 78,190.10

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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.