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Finding the Fourth Proportional to 239,673.29, 330,748.90 and 132,243.32

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Solution

The fourth proportional to 239,673.29, 330,748.90 and 132,243.32 is: 182,495.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,673.29 : 330,748.90 = 132,243.32 : x
  2. Step 2: Convert to fraction form
    239,673.29/330,748.90 = 132,243.32/x
  3. Step 3: Cross multiply
    239,673.29x = 330,748.90 × 132,243.32
  4. Step 4: Simplify right side
    239,673.29x = 43,739,333,118.61
  5. Step 5: Solve for x
    x = 43,739,333,118.61/239,673.29
  6. Step 6: Final answer
    x = 182,495.65

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1.5x scale

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.