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Finding the Fourth Proportional to 127,482.80, 191,051.88 and 48,553.97

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Solution

The fourth proportional to 127,482.80, 191,051.88 and 48,553.97 is: 72,765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,482.80 : 191,051.88 = 48,553.97 : x
  2. Step 2: Convert to fraction form
    127,482.80/191,051.88 = 48,553.97/x
  3. Step 3: Cross multiply
    127,482.80x = 191,051.88 × 48,553.97
  4. Step 4: Simplify right side
    127,482.80x = 9,276,326,294.70
  5. Step 5: Solve for x
    x = 9,276,326,294.70/127,482.80
  6. Step 6: Final answer
    x = 72,765.32

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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.