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Finding the Fourth Proportional to 153,479.22, 230,250.15 and 64,732.56

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Solution

The fourth proportional to 153,479.22, 230,250.15 and 64,732.56 is: 97,112.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,479.22 : 230,250.15 = 64,732.56 : x
  2. Step 2: Convert to fraction form
    153,479.22/230,250.15 = 64,732.56/x
  3. Step 3: Cross multiply
    153,479.22x = 230,250.15 × 64,732.56
  4. Step 4: Simplify right side
    153,479.22x = 14,904,681,649.88
  5. Step 5: Solve for x
    x = 14,904,681,649.88/153,479.22
  6. Step 6: Final answer
    x = 97,112.05

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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.