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Finding the Fourth Proportional to 247,847.42, 342,032.55 and 134,672.06

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Solution

The fourth proportional to 247,847.42, 342,032.55 and 134,672.06 is: 185,849.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,847.42 : 342,032.55 = 134,672.06 : x
  2. Step 2: Convert to fraction form
    247,847.42/342,032.55 = 134,672.06/x
  3. Step 3: Cross multiply
    247,847.42x = 342,032.55 × 134,672.06
  4. Step 4: Simplify right side
    247,847.42x = 46,062,228,095.55
  5. Step 5: Solve for x
    x = 46,062,228,095.55/247,847.42
  6. Step 6: Final answer
    x = 185,849.13

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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.