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Finding the Fourth Proportional to 334,190.70, 501,176.70 and 123,801.30

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Solution

The fourth proportional to 334,190.70, 501,176.70 and 123,801.30 is: 185,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,190.70 : 501,176.70 = 123,801.30 : x
  2. Step 2: Convert to fraction form
    334,190.70/501,176.70 = 123,801.30/x
  3. Step 3: Cross multiply
    334,190.70x = 501,176.70 × 123,801.30
  4. Step 4: Simplify right side
    334,190.70x = 62,046,326,989.71
  5. Step 5: Solve for x
    x = 62,046,326,989.71/334,190.70
  6. Step 6: Final answer
    x = 185,661.44

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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.