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Finding the Fourth Proportional to 97,343.76, 134,338.96 and 54,901.44

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Solution

The fourth proportional to 97,343.76, 134,338.96 and 54,901.44 is: 75,766.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,343.76 : 134,338.96 = 54,901.44 : x
  2. Step 2: Convert to fraction form
    97,343.76/134,338.96 = 54,901.44/x
  3. Step 3: Cross multiply
    97,343.76x = 134,338.96 × 54,901.44
  4. Step 4: Simplify right side
    97,343.76x = 7,375,402,352.10
  5. Step 5: Solve for x
    x = 7,375,402,352.10/97,343.76
  6. Step 6: Final answer
    x = 75,766.57

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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.