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Finding the Fourth Proportional to 238,988.88, 329,798.52 and 131,554.80

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Solution

The fourth proportional to 238,988.88, 329,798.52 and 131,554.80 is: 181,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,988.88 : 329,798.52 = 131,554.80 : x
  2. Step 2: Convert to fraction form
    238,988.88/329,798.52 = 131,554.80/x
  3. Step 3: Cross multiply
    238,988.88x = 329,798.52 × 131,554.80
  4. Step 4: Simplify right side
    238,988.88x = 43,386,578,338.90
  5. Step 5: Solve for x
    x = 43,386,578,338.90/238,988.88
  6. Step 6: Final answer
    x = 181,542.25

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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.