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Finding the Fourth Proportional to 114,244.93, 171,396.96 and 66,900.03

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Solution

The fourth proportional to 114,244.93, 171,396.96 and 66,900.03 is: 100,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,244.93 : 171,396.96 = 66,900.03 : x
  2. Step 2: Convert to fraction form
    114,244.93/171,396.96 = 66,900.03/x
  3. Step 3: Cross multiply
    114,244.93x = 171,396.96 × 66,900.03
  4. Step 4: Simplify right side
    114,244.93x = 11,466,461,248.61
  5. Step 5: Solve for x
    x = 11,466,461,248.61/114,244.93
  6. Step 6: Final answer
    x = 100,367.35

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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.