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Finding the Fourth Proportional to 68,167,424.88, 102,251,152.80 and 17,049,449.52

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Solution

The fourth proportional to 68,167,424.88, 102,251,152.80 and 17,049,449.52 is: 25,574,178.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,167,424.88 : 102,251,152.80 = 17,049,449.52 : x
  2. Step 2: Convert to fraction form
    68,167,424.88/102,251,152.80 = 17,049,449.52/x
  3. Step 3: Cross multiply
    68,167,424.88x = 102,251,152.80 × 17,049,449.52
  4. Step 4: Simplify right side
    68,167,424.88x = 1,743,325,868,025,406.50
  5. Step 5: Solve for x
    x = 1,743,325,868,025,406.50/68,167,424.88
  6. Step 6: Final answer
    x = 25,574,178.15

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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.