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Finding the Fourth Proportional to 100,952.76, 151,522.86 and 51,068.04

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Solution

The fourth proportional to 100,952.76, 151,522.86 and 51,068.04 is: 76,649.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,952.76 : 151,522.86 = 51,068.04 : x
  2. Step 2: Convert to fraction form
    100,952.76/151,522.86 = 51,068.04/x
  3. Step 3: Cross multiply
    100,952.76x = 151,522.86 × 51,068.04
  4. Step 4: Simplify right side
    100,952.76x = 7,737,975,475.39
  5. Step 5: Solve for x
    x = 7,737,975,475.39/100,952.76
  6. Step 6: Final answer
    x = 76,649.47

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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.