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Finding the Fourth Proportional to 73,159.61, 100,959.63 and 39,625.61

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Solution

The fourth proportional to 73,159.61, 100,959.63 and 39,625.61 is: 54,683.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,159.61 : 100,959.63 = 39,625.61 : x
  2. Step 2: Convert to fraction form
    73,159.61/100,959.63 = 39,625.61/x
  3. Step 3: Cross multiply
    73,159.61x = 100,959.63 × 39,625.61
  4. Step 4: Simplify right side
    73,159.61x = 4,000,586,924.12
  5. Step 5: Solve for x
    x = 4,000,586,924.12/73,159.61
  6. Step 6: Final answer
    x = 54,683.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.