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Finding the Fourth Proportional to 195,627.72, 293,461.02 and 70,978.44

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Solution

The fourth proportional to 195,627.72, 293,461.02 and 70,978.44 is: 106,474.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,627.72 : 293,461.02 = 70,978.44 : x
  2. Step 2: Convert to fraction form
    195,627.72/293,461.02 = 70,978.44/x
  3. Step 3: Cross multiply
    195,627.72x = 293,461.02 × 70,978.44
  4. Step 4: Simplify right side
    195,627.72x = 20,829,405,400.41
  5. Step 5: Solve for x
    x = 20,829,405,400.41/195,627.72
  6. Step 6: Final answer
    x = 106,474.71

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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.