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Finding the Fourth Proportional to 181,959.17, 272,925.77 and 68,085.32

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Solution

The fourth proportional to 181,959.17, 272,925.77 and 68,085.32 is: 102,123.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,959.17 : 272,925.77 = 68,085.32 : x
  2. Step 2: Convert to fraction form
    181,959.17/272,925.77 = 68,085.32/x
  3. Step 3: Cross multiply
    181,959.17x = 272,925.77 × 68,085.32
  4. Step 4: Simplify right side
    181,959.17x = 18,582,236,681.64
  5. Step 5: Solve for x
    x = 18,582,236,681.64/181,959.17
  6. Step 6: Final answer
    x = 102,123.11

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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.