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Finding the Fourth Proportional to 73,206.30, 100,985.70 and 44,534.70

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Solution

The fourth proportional to 73,206.30, 100,985.70 and 44,534.70 is: 61,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,206.30 : 100,985.70 = 44,534.70 : x
  2. Step 2: Convert to fraction form
    73,206.30/100,985.70 = 44,534.70/x
  3. Step 3: Cross multiply
    73,206.30x = 100,985.70 × 44,534.70
  4. Step 4: Simplify right side
    73,206.30x = 4,497,367,853.79
  5. Step 5: Solve for x
    x = 4,497,367,853.79/73,206.30
  6. Step 6: Final answer
    x = 61,434.16

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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.