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Finding the Fourth Proportional to 100,795.72, 151,326.46 and 58,714.60

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Solution

The fourth proportional to 100,795.72, 151,326.46 and 58,714.60 is: 88,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,795.72 : 151,326.46 = 58,714.60 : x
  2. Step 2: Convert to fraction form
    100,795.72/151,326.46 = 58,714.60/x
  3. Step 3: Cross multiply
    100,795.72x = 151,326.46 × 58,714.60
  4. Step 4: Simplify right side
    100,795.72x = 8,885,072,568.32
  5. Step 5: Solve for x
    x = 8,885,072,568.32/100,795.72
  6. Step 6: Final answer
    x = 88,149.30

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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.