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Finding the Fourth Proportional to 70,906.47, 97,737.89 and 69,506.79

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Solution

The fourth proportional to 70,906.47, 97,737.89 and 69,506.79 is: 95,808.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,906.47 : 97,737.89 = 69,506.79 : x
  2. Step 2: Convert to fraction form
    70,906.47/97,737.89 = 69,506.79/x
  3. Step 3: Cross multiply
    70,906.47x = 97,737.89 × 69,506.79
  4. Step 4: Simplify right side
    70,906.47x = 6,793,446,647.74
  5. Step 5: Solve for x
    x = 6,793,446,647.74/70,906.47
  6. Step 6: Final answer
    x = 95,808.56

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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.