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Finding the Fourth Proportional to 243,327.04, 364,689.20 and 137,826.16

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Solution

The fourth proportional to 243,327.04, 364,689.20 and 137,826.16 is: 206,568.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,327.04 : 364,689.20 = 137,826.16 : x
  2. Step 2: Convert to fraction form
    243,327.04/364,689.20 = 137,826.16/x
  3. Step 3: Cross multiply
    243,327.04x = 364,689.20 × 137,826.16
  4. Step 4: Simplify right side
    243,327.04x = 50,263,712,029.47
  5. Step 5: Solve for x
    x = 50,263,712,029.47/243,327.04
  6. Step 6: Final answer
    x = 206,568.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.