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Finding the Fourth Proportional to 64,952.70, 97,234.65 and 61,107.90

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Solution

The fourth proportional to 64,952.70, 97,234.65 and 61,107.90 is: 91,478.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,952.70 : 97,234.65 = 61,107.90 : x
  2. Step 2: Convert to fraction form
    64,952.70/97,234.65 = 61,107.90/x
  3. Step 3: Cross multiply
    64,952.70x = 97,234.65 × 61,107.90
  4. Step 4: Simplify right side
    64,952.70x = 5,941,805,268.74
  5. Step 5: Solve for x
    x = 5,941,805,268.74/64,952.70
  6. Step 6: Final answer
    x = 91,478.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.