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Finding the Fourth Proportional to 169,564.52, 254,402.27 and 69,771.71

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Solution

The fourth proportional to 169,564.52, 254,402.27 and 69,771.71 is: 104,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,564.52 : 254,402.27 = 69,771.71 : x
  2. Step 2: Convert to fraction form
    169,564.52/254,402.27 = 69,771.71/x
  3. Step 3: Cross multiply
    169,564.52x = 254,402.27 × 69,771.71
  4. Step 4: Simplify right side
    169,564.52x = 17,750,081,405.78
  5. Step 5: Solve for x
    x = 17,750,081,405.78/169,564.52
  6. Step 6: Final answer
    x = 104,680.40

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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.