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Finding the Fourth Proportional to 70,167.15, 96,826.02 and 39,955.56

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Solution

The fourth proportional to 70,167.15, 96,826.02 and 39,955.56 is: 55,136.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,167.15 : 96,826.02 = 39,955.56 : x
  2. Step 2: Convert to fraction form
    70,167.15/96,826.02 = 39,955.56/x
  3. Step 3: Cross multiply
    70,167.15x = 96,826.02 × 39,955.56
  4. Step 4: Simplify right side
    70,167.15x = 3,868,737,851.67
  5. Step 5: Solve for x
    x = 3,868,737,851.67/70,167.15
  6. Step 6: Final answer
    x = 55,136.03

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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.