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Finding the Fourth Proportional to 248,314.96, 372,410.76 and 70,823.50

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Solution

The fourth proportional to 248,314.96, 372,410.76 and 70,823.50 is: 106,217.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,314.96 : 372,410.76 = 70,823.50 : x
  2. Step 2: Convert to fraction form
    248,314.96/372,410.76 = 70,823.50/x
  3. Step 3: Cross multiply
    248,314.96x = 372,410.76 × 70,823.50
  4. Step 4: Simplify right side
    248,314.96x = 26,375,433,460.86
  5. Step 5: Solve for x
    x = 26,375,433,460.86/248,314.96
  6. Step 6: Final answer
    x = 106,217.66

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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.