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Finding the Fourth Proportional to 70,793.19, 97,660.49 and 43,966.90

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Solution

The fourth proportional to 70,793.19, 97,660.49 and 43,966.90 is: 60,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,793.19 : 97,660.49 = 43,966.90 : x
  2. Step 2: Convert to fraction form
    70,793.19/97,660.49 = 43,966.90/x
  3. Step 3: Cross multiply
    70,793.19x = 97,660.49 × 43,966.90
  4. Step 4: Simplify right side
    70,793.19x = 4,293,828,900.02
  5. Step 5: Solve for x
    x = 4,293,828,900.02/70,793.19
  6. Step 6: Final answer
    x = 60,653.13

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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.