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Finding the Fourth Proportional to 251,081.48, 376,642.71 and 117,889.08

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Solution

The fourth proportional to 251,081.48, 376,642.71 and 117,889.08 is: 176,843.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,081.48 : 376,642.71 = 117,889.08 : x
  2. Step 2: Convert to fraction form
    251,081.48/376,642.71 = 117,889.08/x
  3. Step 3: Cross multiply
    251,081.48x = 376,642.71 × 117,889.08
  4. Step 4: Simplify right side
    251,081.48x = 44,402,062,570.61
  5. Step 5: Solve for x
    x = 44,402,062,570.61/251,081.48
  6. Step 6: Final answer
    x = 176,843.24

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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.