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Finding the Fourth Proportional to 73,299.84, 109,962.72 and 23,390.88

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Solution

The fourth proportional to 73,299.84, 109,962.72 and 23,390.88 is: 35,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,299.84 : 109,962.72 = 23,390.88 : x
  2. Step 2: Convert to fraction form
    73,299.84/109,962.72 = 23,390.88/x
  3. Step 3: Cross multiply
    73,299.84x = 109,962.72 × 23,390.88
  4. Step 4: Simplify right side
    73,299.84x = 2,572,124,787.99
  5. Step 5: Solve for x
    x = 2,572,124,787.99/73,299.84
  6. Step 6: Final answer
    x = 35,090.46

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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.