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Finding the Fourth Proportional to 67,345.61, 101,080.74 and 34,089.03

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Solution

The fourth proportional to 67,345.61, 101,080.74 and 34,089.03 is: 51,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,345.61 : 101,080.74 = 34,089.03 : x
  2. Step 2: Convert to fraction form
    67,345.61/101,080.74 = 34,089.03/x
  3. Step 3: Cross multiply
    67,345.61x = 101,080.74 × 34,089.03
  4. Step 4: Simplify right side
    67,345.61x = 3,445,744,378.28
  5. Step 5: Solve for x
    x = 3,445,744,378.28/67,345.61
  6. Step 6: Final answer
    x = 51,165.10

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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.