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Finding the Fourth Proportional to 76,153.59, 114,304.20 and 36,738.38

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Solution

The fourth proportional to 76,153.59, 114,304.20 and 36,738.38 is: 55,143.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,153.59 : 114,304.20 = 36,738.38 : x
  2. Step 2: Convert to fraction form
    76,153.59/114,304.20 = 36,738.38/x
  3. Step 3: Cross multiply
    76,153.59x = 114,304.20 × 36,738.38
  4. Step 4: Simplify right side
    76,153.59x = 4,199,351,283.19
  5. Step 5: Solve for x
    x = 4,199,351,283.19/76,153.59
  6. Step 6: Final answer
    x = 55,143.18

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1.5x scale

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.