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Finding the Fourth Proportional to 70,040.93, 96,673.92 and 43,205.45

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Solution

The fourth proportional to 70,040.93, 96,673.92 and 43,205.45 is: 59,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,040.93 : 96,673.92 = 43,205.45 : x
  2. Step 2: Convert to fraction form
    70,040.93/96,673.92 = 43,205.45/x
  3. Step 3: Cross multiply
    70,040.93x = 96,673.92 × 43,205.45
  4. Step 4: Simplify right side
    70,040.93x = 4,176,840,216.86
  5. Step 5: Solve for x
    x = 4,176,840,216.86/70,040.93
  6. Step 6: Final answer
    x = 59,634.28

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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.