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Finding the Fourth Proportional to 169,885.01, 255,024.37 and 91,153.01

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Solution

The fourth proportional to 169,885.01, 255,024.37 and 91,153.01 is: 136,835.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,885.01 : 255,024.37 = 91,153.01 : x
  2. Step 2: Convert to fraction form
    169,885.01/255,024.37 = 91,153.01/x
  3. Step 3: Cross multiply
    169,885.01x = 255,024.37 × 91,153.01
  4. Step 4: Simplify right side
    169,885.01x = 23,246,238,948.85
  5. Step 5: Solve for x
    x = 23,246,238,948.85/169,885.01
  6. Step 6: Final answer
    x = 136,835.14

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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.