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Finding the Fourth Proportional to 169,484.39, 254,126.90 and 64,310.75

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Solution

The fourth proportional to 169,484.39, 254,126.90 and 64,310.75 is: 96,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,484.39 : 254,126.90 = 64,310.75 : x
  2. Step 2: Convert to fraction form
    169,484.39/254,126.90 = 64,310.75/x
  3. Step 3: Cross multiply
    169,484.39x = 254,126.90 × 64,310.75
  4. Step 4: Simplify right side
    169,484.39x = 16,343,091,534.18
  5. Step 5: Solve for x
    x = 16,343,091,534.18/169,484.39
  6. Step 6: Final answer
    x = 96,428.30

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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.