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Finding the Fourth Proportional to 153,879.87, 230,853.29 and 48,699.75

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Solution

The fourth proportional to 153,879.87, 230,853.29 and 48,699.75 is: 73,060.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,879.87 : 230,853.29 = 48,699.75 : x
  2. Step 2: Convert to fraction form
    153,879.87/230,853.29 = 48,699.75/x
  3. Step 3: Cross multiply
    153,879.87x = 230,853.29 × 48,699.75
  4. Step 4: Simplify right side
    153,879.87x = 11,242,497,266.18
  5. Step 5: Solve for x
    x = 11,242,497,266.18/153,879.87
  6. Step 6: Final answer
    x = 73,060.22

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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.