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Finding the Fourth Proportional to 251,232.84, 376,815.24 and 73,706.76

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Solution

The fourth proportional to 251,232.84, 376,815.24 and 73,706.76 is: 110,550.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,232.84 : 376,815.24 = 73,706.76 : x
  2. Step 2: Convert to fraction form
    251,232.84/376,815.24 = 73,706.76/x
  3. Step 3: Cross multiply
    251,232.84x = 376,815.24 × 73,706.76
  4. Step 4: Simplify right side
    251,232.84x = 27,773,830,459.02
  5. Step 5: Solve for x
    x = 27,773,830,459.02/251,232.84
  6. Step 6: Final answer
    x = 110,550.16

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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.