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Finding the Fourth Proportional to 97,684.70, 134,759.63 and 57,397.73

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Solution

The fourth proportional to 97,684.70, 134,759.63 and 57,397.73 is: 79,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,684.70 : 134,759.63 = 57,397.73 : x
  2. Step 2: Convert to fraction form
    97,684.70/134,759.63 = 57,397.73/x
  3. Step 3: Cross multiply
    97,684.70x = 134,759.63 × 57,397.73
  4. Step 4: Simplify right side
    97,684.70x = 7,734,896,327.34
  5. Step 5: Solve for x
    x = 7,734,896,327.34/97,684.70
  6. Step 6: Final answer
    x = 79,182.27

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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.