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Finding the Fourth Proportional to 129,752.66, 194,603.07 and 36,259.22

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Solution

The fourth proportional to 129,752.66, 194,603.07 and 36,259.22 is: 54,381.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,752.66 : 194,603.07 = 36,259.22 : x
  2. Step 2: Convert to fraction form
    129,752.66/194,603.07 = 36,259.22/x
  3. Step 3: Cross multiply
    129,752.66x = 194,603.07 × 36,259.22
  4. Step 4: Simplify right side
    129,752.66x = 7,056,155,527.81
  5. Step 5: Solve for x
    x = 7,056,155,527.81/129,752.66
  6. Step 6: Final answer
    x = 54,381.59

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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.