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Finding the Fourth Proportional to 70,049.95, 96,774.32 and 45,908.30

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Solution

The fourth proportional to 70,049.95, 96,774.32 and 45,908.30 is: 63,422.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,049.95 : 96,774.32 = 45,908.30 : x
  2. Step 2: Convert to fraction form
    70,049.95/96,774.32 = 45,908.30/x
  3. Step 3: Cross multiply
    70,049.95x = 96,774.32 × 45,908.30
  4. Step 4: Simplify right side
    70,049.95x = 4,442,744,871.56
  5. Step 5: Solve for x
    x = 4,442,744,871.56/70,049.95
  6. Step 6: Final answer
    x = 63,422.53

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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.