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Finding the Fourth Proportional to 233,171.70, 349,901.55 and 92,915.70

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Solution

The fourth proportional to 233,171.70, 349,901.55 and 92,915.70 is: 139,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,171.70 : 349,901.55 = 92,915.70 : x
  2. Step 2: Convert to fraction form
    233,171.70/349,901.55 = 92,915.70/x
  3. Step 3: Cross multiply
    233,171.70x = 349,901.55 × 92,915.70
  4. Step 4: Simplify right side
    233,171.70x = 32,511,347,449.34
  5. Step 5: Solve for x
    x = 32,511,347,449.34/233,171.70
  6. Step 6: Final answer
    x = 139,430.93

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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.