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Finding the Fourth Proportional to 238,757.51, 329,490.62 and 131,332.98

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Solution

The fourth proportional to 238,757.51, 329,490.62 and 131,332.98 is: 181,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,757.51 : 329,490.62 = 131,332.98 : x
  2. Step 2: Convert to fraction form
    238,757.51/329,490.62 = 131,332.98/x
  3. Step 3: Cross multiply
    238,757.51x = 329,490.62 × 131,332.98
  4. Step 4: Simplify right side
    238,757.51x = 43,272,985,006.65
  5. Step 5: Solve for x
    x = 43,272,985,006.65/238,757.51
  6. Step 6: Final answer
    x = 181,242.40

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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.