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Finding the Fourth Proportional to 238,699.98, 329,399.40 and 131,270.01

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Solution

The fourth proportional to 238,699.98, 329,399.40 and 131,270.01 is: 181,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,699.98 : 329,399.40 = 131,270.01 : x
  2. Step 2: Convert to fraction form
    238,699.98/329,399.40 = 131,270.01/x
  3. Step 3: Cross multiply
    238,699.98x = 329,399.40 × 131,270.01
  4. Step 4: Simplify right side
    238,699.98x = 43,240,263,355.49
  5. Step 5: Solve for x
    x = 43,240,263,355.49/238,699.98
  6. Step 6: Final answer
    x = 181,149.00

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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.