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Finding the Fourth Proportional to 170,553.86, 255,756.46 and 48,947.61

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Solution

The fourth proportional to 170,553.86, 255,756.46 and 48,947.61 is: 73,400.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,553.86 : 255,756.46 = 48,947.61 : x
  2. Step 2: Convert to fraction form
    170,553.86/255,756.46 = 48,947.61/x
  3. Step 3: Cross multiply
    170,553.86x = 255,756.46 × 48,947.61
  4. Step 4: Simplify right side
    170,553.86x = 12,518,667,459.06
  5. Step 5: Solve for x
    x = 12,518,667,459.06/170,553.86
  6. Step 6: Final answer
    x = 73,400.08

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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.