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Finding the Fourth Proportional to 97,454.59, 134,489.54 and 57,197.39

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Solution

The fourth proportional to 97,454.59, 134,489.54 and 57,197.39 is: 78,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,454.59 : 134,489.54 = 57,197.39 : x
  2. Step 2: Convert to fraction form
    97,454.59/134,489.54 = 57,197.39/x
  3. Step 3: Cross multiply
    97,454.59x = 134,489.54 × 57,197.39
  4. Step 4: Simplify right side
    97,454.59x = 7,692,450,140.85
  5. Step 5: Solve for x
    x = 7,692,450,140.85/97,454.59
  6. Step 6: Final answer
    x = 78,933.69

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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.