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Finding the Fourth Proportional to 68,656.29, 103,023.36 and 37,065.93

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Solution

The fourth proportional to 68,656.29, 103,023.36 and 37,065.93 is: 55,619.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,656.29 : 103,023.36 = 37,065.93 : x
  2. Step 2: Convert to fraction form
    68,656.29/103,023.36 = 37,065.93/x
  3. Step 3: Cross multiply
    68,656.29x = 103,023.36 × 37,065.93
  4. Step 4: Simplify right side
    68,656.29x = 3,818,656,650.12
  5. Step 5: Solve for x
    x = 3,818,656,650.12/68,656.29
  6. Step 6: Final answer
    x = 55,619.91

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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.