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Finding the Fourth Proportional to 70,275.54, 96,932.46 and 43,038.90

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Solution

The fourth proportional to 70,275.54, 96,932.46 and 43,038.90 is: 59,364.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,275.54 : 96,932.46 = 43,038.90 : x
  2. Step 2: Convert to fraction form
    70,275.54/96,932.46 = 43,038.90/x
  3. Step 3: Cross multiply
    70,275.54x = 96,932.46 × 43,038.90
  4. Step 4: Simplify right side
    70,275.54x = 4,171,866,452.69
  5. Step 5: Solve for x
    x = 4,171,866,452.69/70,275.54
  6. Step 6: Final answer
    x = 59,364.42

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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.