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Finding the Fourth Proportional to 169,468.77, 254,209.77 and 51,140.13

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Solution

The fourth proportional to 169,468.77, 254,209.77 and 51,140.13 is: 76,712.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,468.77 : 254,209.77 = 51,140.13 : x
  2. Step 2: Convert to fraction form
    169,468.77/254,209.77 = 51,140.13/x
  3. Step 3: Cross multiply
    169,468.77x = 254,209.77 × 51,140.13
  4. Step 4: Simplify right side
    169,468.77x = 13,000,320,685.07
  5. Step 5: Solve for x
    x = 13,000,320,685.07/169,468.77
  6. Step 6: Final answer
    x = 76,712.19

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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.