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Finding the Fourth Proportional to 234,401.58, 351,574.44 and 61,281.90

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Solution

The fourth proportional to 234,401.58, 351,574.44 and 61,281.90 is: 91,915.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,401.58 : 351,574.44 = 61,281.90 : x
  2. Step 2: Convert to fraction form
    234,401.58/351,574.44 = 61,281.90/x
  3. Step 3: Cross multiply
    234,401.58x = 351,574.44 × 61,281.90
  4. Step 4: Simplify right side
    234,401.58x = 21,545,149,674.64
  5. Step 5: Solve for x
    x = 21,545,149,674.64/234,401.58
  6. Step 6: Final answer
    x = 91,915.55

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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.