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Finding the Fourth Proportional to 70,400.52, 97,169.76 and 43,526.82

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Solution

The fourth proportional to 70,400.52, 97,169.76 and 43,526.82 is: 60,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,400.52 : 97,169.76 = 43,526.82 : x
  2. Step 2: Convert to fraction form
    70,400.52/97,169.76 = 43,526.82/x
  3. Step 3: Cross multiply
    70,400.52x = 97,169.76 × 43,526.82
  4. Step 4: Simplify right side
    70,400.52x = 4,229,490,652.96
  5. Step 5: Solve for x
    x = 4,229,490,652.96/70,400.52
  6. Step 6: Final answer
    x = 60,077.55

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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.