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Finding the Fourth Proportional to 247,851.39, 342,034.22 and 134,674.11

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Solution

The fourth proportional to 247,851.39, 342,034.22 and 134,674.11 is: 185,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,851.39 : 342,034.22 = 134,674.11 : x
  2. Step 2: Convert to fraction form
    247,851.39/342,034.22 = 134,674.11/x
  3. Step 3: Cross multiply
    247,851.39x = 342,034.22 × 134,674.11
  4. Step 4: Simplify right side
    247,851.39x = 46,063,153,494.67
  5. Step 5: Solve for x
    x = 46,063,153,494.67/247,851.39
  6. Step 6: Final answer
    x = 185,849.89

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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.