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Finding the Fourth Proportional to 177,844.88, 266,803.32 and 72,672.32

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Solution

The fourth proportional to 177,844.88, 266,803.32 and 72,672.32 is: 109,023.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,844.88 : 266,803.32 = 72,672.32 : x
  2. Step 2: Convert to fraction form
    177,844.88/266,803.32 = 72,672.32/x
  3. Step 3: Cross multiply
    177,844.88x = 266,803.32 × 72,672.32
  4. Step 4: Simplify right side
    177,844.88x = 19,389,216,248.10
  5. Step 5: Solve for x
    x = 19,389,216,248.10/177,844.88
  6. Step 6: Final answer
    x = 109,023.19

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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.