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Finding the Fourth Proportional to 97,648.69, 134,753.98 and 57,366.12

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Solution

The fourth proportional to 97,648.69, 134,753.98 and 57,366.12 is: 79,164.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,648.69 : 134,753.98 = 57,366.12 : x
  2. Step 2: Convert to fraction form
    97,648.69/134,753.98 = 57,366.12/x
  3. Step 3: Cross multiply
    97,648.69x = 134,753.98 × 57,366.12
  4. Step 4: Simplify right side
    97,648.69x = 7,730,313,456.63
  5. Step 5: Solve for x
    x = 7,730,313,456.63/97,648.69
  6. Step 6: Final answer
    x = 79,164.54

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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.