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Finding the Fourth Proportional to 183,728.64, 275,336.04 and 99,306.66

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Solution

The fourth proportional to 183,728.64, 275,336.04 and 99,306.66 is: 148,821.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,728.64 : 275,336.04 = 99,306.66 : x
  2. Step 2: Convert to fraction form
    183,728.64/275,336.04 = 99,306.66/x
  3. Step 3: Cross multiply
    183,728.64x = 275,336.04 × 99,306.66
  4. Step 4: Simplify right side
    183,728.64x = 27,342,702,510.03
  5. Step 5: Solve for x
    x = 27,342,702,510.03/183,728.64
  6. Step 6: Final answer
    x = 148,821.12

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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.