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Finding the Fourth Proportional to 248,449.72, 372,666.70 and 70,956.64

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Solution

The fourth proportional to 248,449.72, 372,666.70 and 70,956.64 is: 106,432.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,449.72 : 372,666.70 = 70,956.64 : x
  2. Step 2: Convert to fraction form
    248,449.72/372,666.70 = 70,956.64/x
  3. Step 3: Cross multiply
    248,449.72x = 372,666.70 × 70,956.64
  4. Step 4: Simplify right side
    248,449.72x = 26,443,176,871.89
  5. Step 5: Solve for x
    x = 26,443,176,871.89/248,449.72
  6. Step 6: Final answer
    x = 106,432.71

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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.