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Finding the Fourth Proportional to 223,348.63, 334,874.83 and 81,177.02

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Solution

The fourth proportional to 223,348.63, 334,874.83 and 81,177.02 is: 121,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,348.63 : 334,874.83 = 81,177.02 : x
  2. Step 2: Convert to fraction form
    223,348.63/334,874.83 = 81,177.02/x
  3. Step 3: Cross multiply
    223,348.63x = 334,874.83 × 81,177.02
  4. Step 4: Simplify right side
    223,348.63x = 27,184,140,569.46
  5. Step 5: Solve for x
    x = 27,184,140,569.46/223,348.63
  6. Step 6: Final answer
    x = 121,711.70

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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.