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Finding the Fourth Proportional to 70,296.66, 97,010.46 and 38,468.52

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Solution

The fourth proportional to 70,296.66, 97,010.46 and 38,468.52 is: 53,087.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,296.66 : 97,010.46 = 38,468.52 : x
  2. Step 2: Convert to fraction form
    70,296.66/97,010.46 = 38,468.52/x
  3. Step 3: Cross multiply
    70,296.66x = 97,010.46 × 38,468.52
  4. Step 4: Simplify right side
    70,296.66x = 3,731,848,820.72
  5. Step 5: Solve for x
    x = 3,731,848,820.72/70,296.66
  6. Step 6: Final answer
    x = 53,087.14

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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.