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Finding the Fourth Proportional to 239,041.50, 329,877.27 and 133,057.50

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Solution

The fourth proportional to 239,041.50, 329,877.27 and 133,057.50 is: 183,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,041.50 : 329,877.27 = 133,057.50 : x
  2. Step 2: Convert to fraction form
    239,041.50/329,877.27 = 133,057.50/x
  3. Step 3: Cross multiply
    239,041.50x = 329,877.27 × 133,057.50
  4. Step 4: Simplify right side
    239,041.50x = 43,892,644,853.03
  5. Step 5: Solve for x
    x = 43,892,644,853.03/239,041.50
  6. Step 6: Final answer
    x = 183,619.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.