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Finding the Fourth Proportional to 238,897.52, 329,678.63 and 131,467.55

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Solution

The fourth proportional to 238,897.52, 329,678.63 and 131,467.55 is: 181,425.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,897.52 : 329,678.63 = 131,467.55 : x
  2. Step 2: Convert to fraction form
    238,897.52/329,678.63 = 131,467.55/x
  3. Step 3: Cross multiply
    238,897.52x = 329,678.63 × 131,467.55
  4. Step 4: Simplify right side
    238,897.52x = 43,342,041,773.46
  5. Step 5: Solve for x
    x = 43,342,041,773.46/238,897.52
  6. Step 6: Final answer
    x = 181,425.25

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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.