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Finding the Fourth Proportional to 248,695.66, 373,080.52 and 88,759.18

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Solution

The fourth proportional to 248,695.66, 373,080.52 and 88,759.18 is: 133,151.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,695.66 : 373,080.52 = 88,759.18 : x
  2. Step 2: Convert to fraction form
    248,695.66/373,080.52 = 88,759.18/x
  3. Step 3: Cross multiply
    248,695.66x = 373,080.52 × 88,759.18
  4. Step 4: Simplify right side
    248,695.66x = 33,114,321,029.17
  5. Step 5: Solve for x
    x = 33,114,321,029.17/248,695.66
  6. Step 6: Final answer
    x = 133,151.99

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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.