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Finding the Fourth Proportional to 247,903.60, 342,097.33 and 134,723.92

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Solution

The fourth proportional to 247,903.60, 342,097.33 and 134,723.92 is: 185,913.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,903.60 : 342,097.33 = 134,723.92 : x
  2. Step 2: Convert to fraction form
    247,903.60/342,097.33 = 134,723.92/x
  3. Step 3: Cross multiply
    247,903.60x = 342,097.33 × 134,723.92
  4. Step 4: Simplify right side
    247,903.60x = 46,088,690,935.03
  5. Step 5: Solve for x
    x = 46,088,690,935.03/247,903.60
  6. Step 6: Final answer
    x = 185,913.77

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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.