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Finding the Fourth Proportional to 239,625.78, 330,681.42 and 132,196.71

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Solution

The fourth proportional to 239,625.78, 330,681.42 and 132,196.71 is: 182,430.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,625.78 : 330,681.42 = 132,196.71 : x
  2. Step 2: Convert to fraction form
    239,625.78/330,681.42 = 132,196.71/x
  3. Step 3: Cross multiply
    239,625.78x = 330,681.42 × 132,196.71
  4. Step 4: Simplify right side
    239,625.78x = 43,714,995,782.13
  5. Step 5: Solve for x
    x = 43,714,995,782.13/239,625.78
  6. Step 6: Final answer
    x = 182,430.27

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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.