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Finding the Fourth Proportional to 61,903.70, 92,908.57 and 61,437.75

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Solution

The fourth proportional to 61,903.70, 92,908.57 and 61,437.75 is: 92,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,903.70 : 92,908.57 = 61,437.75 : x
  2. Step 2: Convert to fraction form
    61,903.70/92,908.57 = 61,437.75/x
  3. Step 3: Cross multiply
    61,903.70x = 92,908.57 × 61,437.75
  4. Step 4: Simplify right side
    61,903.70x = 5,708,093,110.65
  5. Step 5: Solve for x
    x = 5,708,093,110.65/61,903.70
  6. Step 6: Final answer
    x = 92,209.24

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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.