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Finding the Fourth Proportional to 169,484.42, 254,130.28 and 131,002.30

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Solution

The fourth proportional to 169,484.42, 254,130.28 and 131,002.30 is: 196,428.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,484.42 : 254,130.28 = 131,002.30 : x
  2. Step 2: Convert to fraction form
    169,484.42/254,130.28 = 131,002.30/x
  3. Step 3: Cross multiply
    169,484.42x = 254,130.28 × 131,002.30
  4. Step 4: Simplify right side
    169,484.42x = 33,291,651,179.64
  5. Step 5: Solve for x
    x = 33,291,651,179.64/169,484.42
  6. Step 6: Final answer
    x = 196,428.98

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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.