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Finding the Fourth Proportional to 223,328.70, 334,877.85 and 83,015.10

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Solution

The fourth proportional to 223,328.70, 334,877.85 and 83,015.10 is: 124,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,328.70 : 334,877.85 = 83,015.10 : x
  2. Step 2: Convert to fraction form
    223,328.70/334,877.85 = 83,015.10/x
  3. Step 3: Cross multiply
    223,328.70x = 334,877.85 × 83,015.10
  4. Step 4: Simplify right side
    223,328.70x = 27,799,918,205.54
  5. Step 5: Solve for x
    x = 27,799,918,205.54/223,328.70
  6. Step 6: Final answer
    x = 124,479.83

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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.