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Finding the Fourth Proportional to 169,469.52, 254,210.91 and 51,140.88

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Solution

The fourth proportional to 169,469.52, 254,210.91 and 51,140.88 is: 76,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,469.52 : 254,210.91 = 51,140.88 : x
  2. Step 2: Convert to fraction form
    169,469.52/254,210.91 = 51,140.88/x
  3. Step 3: Cross multiply
    169,469.52x = 254,210.91 × 51,140.88
  4. Step 4: Simplify right side
    169,469.52x = 13,000,569,643.00
  5. Step 5: Solve for x
    x = 13,000,569,643.00/169,469.52
  6. Step 6: Final answer
    x = 76,713.32

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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.