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Finding the Fourth Proportional to 70,397.52, 97,165.62 and 43,523.82

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Solution

The fourth proportional to 70,397.52, 97,165.62 and 43,523.82 is: 60,073.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,397.52 : 97,165.62 = 43,523.82 : x
  2. Step 2: Convert to fraction form
    70,397.52/97,165.62 = 43,523.82/x
  3. Step 3: Cross multiply
    70,397.52x = 97,165.62 × 43,523.82
  4. Step 4: Simplify right side
    70,397.52x = 4,229,018,955.07
  5. Step 5: Solve for x
    x = 4,229,018,955.07/70,397.52
  6. Step 6: Final answer
    x = 60,073.41

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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.