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Finding the Fourth Proportional to 153,987.15, 230,988.87 and 48,814.32

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Solution

The fourth proportional to 153,987.15, 230,988.87 and 48,814.32 is: 73,224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,987.15 : 230,988.87 = 48,814.32 : x
  2. Step 2: Convert to fraction form
    153,987.15/230,988.87 = 48,814.32/x
  3. Step 3: Cross multiply
    153,987.15x = 230,988.87 × 48,814.32
  4. Step 4: Simplify right side
    153,987.15x = 11,275,564,616.62
  5. Step 5: Solve for x
    x = 11,275,564,616.62/153,987.15
  6. Step 6: Final answer
    x = 73,224.06

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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.