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Finding the Fourth Proportional to 171,506.22, 236,687.02 and 103,522.11

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Solution

The fourth proportional to 171,506.22, 236,687.02 and 103,522.11 is: 142,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,506.22 : 236,687.02 = 103,522.11 : x
  2. Step 2: Convert to fraction form
    171,506.22/236,687.02 = 103,522.11/x
  3. Step 3: Cross multiply
    171,506.22x = 236,687.02 × 103,522.11
  4. Step 4: Simplify right side
    171,506.22x = 24,502,338,277.77
  5. Step 5: Solve for x
    x = 24,502,338,277.77/171,506.22
  6. Step 6: Final answer
    x = 142,865.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.