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Finding the Fourth Proportional to 247,924.76, 342,134.55 and 134,747.51

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Solution

The fourth proportional to 247,924.76, 342,134.55 and 134,747.51 is: 185,950.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,924.76 : 342,134.55 = 134,747.51 : x
  2. Step 2: Convert to fraction form
    247,924.76/342,134.55 = 134,747.51/x
  3. Step 3: Cross multiply
    247,924.76x = 342,134.55 × 134,747.51
  4. Step 4: Simplify right side
    247,924.76x = 46,101,778,697.47
  5. Step 5: Solve for x
    x = 46,101,778,697.47/247,924.76
  6. Step 6: Final answer
    x = 185,950.68

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1.5x scale

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.