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Finding the Fourth Proportional to 101,850, 152,779.14 and 48,514.56

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Solution

The fourth proportional to 101,850, 152,779.14 and 48,514.56 is: 72,773.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,850 : 152,779.14 = 48,514.56 : x
  2. Step 2: Convert to fraction form
    101,850/152,779.14 = 48,514.56/x
  3. Step 3: Cross multiply
    101,850x = 152,779.14 × 48,514.56
  4. Step 4: Simplify right side
    101,850x = 7,412,012,754.28
  5. Step 5: Solve for x
    x = 7,412,012,754.28/101,850
  6. Step 6: Final answer
    x = 72,773.81

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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.