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Finding the Fourth Proportional to 247,889.16, 342,075.96 and 140,452.92

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Solution

The fourth proportional to 247,889.16, 342,075.96 and 140,452.92 is: 193,818.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,889.16 : 342,075.96 = 140,452.92 : x
  2. Step 2: Convert to fraction form
    247,889.16/342,075.96 = 140,452.92/x
  3. Step 3: Cross multiply
    247,889.16x = 342,075.96 × 140,452.92
  4. Step 4: Simplify right side
    247,889.16x = 48,045,567,443.80
  5. Step 5: Solve for x
    x = 48,045,567,443.80/247,889.16
  6. Step 6: Final answer
    x = 193,818.75

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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.