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Finding the Fourth Proportional to 243,049.56, 335,478.80 and 141,097.92

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Solution

The fourth proportional to 243,049.56, 335,478.80 and 141,097.92 is: 194,756.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,049.56 : 335,478.80 = 141,097.92 : x
  2. Step 2: Convert to fraction form
    243,049.56/335,478.80 = 141,097.92/x
  3. Step 3: Cross multiply
    243,049.56x = 335,478.80 × 141,097.92
  4. Step 4: Simplify right side
    243,049.56x = 47,335,360,178.61
  5. Step 5: Solve for x
    x = 47,335,360,178.61/243,049.56
  6. Step 6: Final answer
    x = 194,756.00

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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.