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Finding the Fourth Proportional to 169,419.03, 254,137.19 and 64,246.71

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Solution

The fourth proportional to 169,419.03, 254,137.19 and 64,246.71 is: 96,373.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,419.03 : 254,137.19 = 64,246.71 : x
  2. Step 2: Convert to fraction form
    169,419.03/254,137.19 = 64,246.71/x
  3. Step 3: Cross multiply
    169,419.03x = 254,137.19 × 64,246.71
  4. Step 4: Simplify right side
    169,419.03x = 16,327,478,024.91
  5. Step 5: Solve for x
    x = 16,327,478,024.91/169,419.03
  6. Step 6: Final answer
    x = 96,373.34

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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.