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Finding the Fourth Proportional to 94,702.65, 142,250.81 and 75,118.07

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Solution

The fourth proportional to 94,702.65, 142,250.81 and 75,118.07 is: 112,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,702.65 : 142,250.81 = 75,118.07 : x
  2. Step 2: Convert to fraction form
    94,702.65/142,250.81 = 75,118.07/x
  3. Step 3: Cross multiply
    94,702.65x = 142,250.81 × 75,118.07
  4. Step 4: Simplify right side
    94,702.65x = 10,685,605,216.29
  5. Step 5: Solve for x
    x = 10,685,605,216.29/94,702.65
  6. Step 6: Final answer
    x = 112,833.22

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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.