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Finding the Fourth Proportional to 247,925.38, 342,135.82 and 134,748.13

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Solution

The fourth proportional to 247,925.38, 342,135.82 and 134,748.13 is: 185,951.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,925.38 : 342,135.82 = 134,748.13 : x
  2. Step 2: Convert to fraction form
    247,925.38/342,135.82 = 134,748.13/x
  3. Step 3: Cross multiply
    247,925.38x = 342,135.82 × 134,748.13
  4. Step 4: Simplify right side
    247,925.38x = 46,102,161,951.02
  5. Step 5: Solve for x
    x = 46,102,161,951.02/247,925.38
  6. Step 6: Final answer
    x = 185,951.76

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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.