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Finding the Fourth Proportional to 77,888.80, 116,837.36 and 25,294.44

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Solution

The fourth proportional to 77,888.80, 116,837.36 and 25,294.44 is: 37,943.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,888.80 : 116,837.36 = 25,294.44 : x
  2. Step 2: Convert to fraction form
    77,888.80/116,837.36 = 25,294.44/x
  3. Step 3: Cross multiply
    77,888.80x = 116,837.36 × 25,294.44
  4. Step 4: Simplify right side
    77,888.80x = 2,955,335,592.28
  5. Step 5: Solve for x
    x = 2,955,335,592.28/77,888.80
  6. Step 6: Final answer
    x = 37,943.01

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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.