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Finding the Fourth Proportional to 70,150.56, 96,776.28 and 43,294.20

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Solution

The fourth proportional to 70,150.56, 96,776.28 and 43,294.20 is: 59,726.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,150.56 : 96,776.28 = 43,294.20 : x
  2. Step 2: Convert to fraction form
    70,150.56/96,776.28 = 43,294.20/x
  3. Step 3: Cross multiply
    70,150.56x = 96,776.28 × 43,294.20
  4. Step 4: Simplify right side
    70,150.56x = 4,189,851,621.58
  5. Step 5: Solve for x
    x = 4,189,851,621.58/70,150.56
  6. Step 6: Final answer
    x = 59,726.56

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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.