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Finding the Fourth Proportional to 112,952.61, 169,374.35 and 65,579.61

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Solution

The fourth proportional to 112,952.61, 169,374.35 and 65,579.61 is: 98,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,952.61 : 169,374.35 = 65,579.61 : x
  2. Step 2: Convert to fraction form
    112,952.61/169,374.35 = 65,579.61/x
  3. Step 3: Cross multiply
    112,952.61x = 169,374.35 × 65,579.61
  4. Step 4: Simplify right side
    112,952.61x = 11,107,504,616.11
  5. Step 5: Solve for x
    x = 11,107,504,616.11/112,952.61
  6. Step 6: Final answer
    x = 98,337.74

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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.