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Finding the Fourth Proportional to 169,399.90, 253,761.08 and 101,894.65

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Solution

The fourth proportional to 169,399.90, 253,761.08 and 101,894.65 is: 152,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,399.90 : 253,761.08 = 101,894.65 : x
  2. Step 2: Convert to fraction form
    169,399.90/253,761.08 = 101,894.65/x
  3. Step 3: Cross multiply
    169,399.90x = 253,761.08 × 101,894.65
  4. Step 4: Simplify right side
    169,399.90x = 25,856,896,430.22
  5. Step 5: Solve for x
    x = 25,856,896,430.22/169,399.90
  6. Step 6: Final answer
    x = 152,638.20

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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.