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Finding the Fourth Proportional to 97,805.77, 134,964.52 and 59,561.08

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Solution

The fourth proportional to 97,805.77, 134,964.52 and 59,561.08 is: 82,189.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,805.77 : 134,964.52 = 59,561.08 : x
  2. Step 2: Convert to fraction form
    97,805.77/134,964.52 = 59,561.08/x
  3. Step 3: Cross multiply
    97,805.77x = 134,964.52 × 59,561.08
  4. Step 4: Simplify right side
    97,805.77x = 8,038,632,309.92
  5. Step 5: Solve for x
    x = 8,038,632,309.92/97,805.77
  6. Step 6: Final answer
    x = 82,189.76

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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.