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Finding the Fourth Proportional to 243,347.04, 364,719.20 and 137,846.16

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Solution

The fourth proportional to 243,347.04, 364,719.20 and 137,846.16 is: 206,598.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,347.04 : 364,719.20 = 137,846.16 : x
  2. Step 2: Convert to fraction form
    243,347.04/364,719.20 = 137,846.16/x
  3. Step 3: Cross multiply
    243,347.04x = 364,719.20 × 137,846.16
  4. Step 4: Simplify right side
    243,347.04x = 50,275,141,198.27
  5. Step 5: Solve for x
    x = 50,275,141,198.27/243,347.04
  6. Step 6: Final answer
    x = 206,598.53

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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.