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Finding the Fourth Proportional to 75,118.68, 103,656.78 and 44,898.04

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Solution

The fourth proportional to 75,118.68, 103,656.78 and 44,898.04 is: 61,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,118.68 : 103,656.78 = 44,898.04 : x
  2. Step 2: Convert to fraction form
    75,118.68/103,656.78 = 44,898.04/x
  3. Step 3: Cross multiply
    75,118.68x = 103,656.78 × 44,898.04
  4. Step 4: Simplify right side
    75,118.68x = 4,653,986,254.71
  5. Step 5: Solve for x
    x = 4,653,986,254.71/75,118.68
  6. Step 6: Final answer
    x = 61,955.11

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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.