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Finding the Fourth Proportional to 70,323.12, 96,807.96 and 54,377.46

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Solution

The fourth proportional to 70,323.12, 96,807.96 and 54,377.46 is: 74,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,323.12 : 96,807.96 = 54,377.46 : x
  2. Step 2: Convert to fraction form
    70,323.12/96,807.96 = 54,377.46/x
  3. Step 3: Cross multiply
    70,323.12x = 96,807.96 × 54,377.46
  4. Step 4: Simplify right side
    70,323.12x = 5,264,170,972.58
  5. Step 5: Solve for x
    x = 5,264,170,972.58/70,323.12
  6. Step 6: Final answer
    x = 74,856.90

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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.