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Finding the Fourth Proportional to 238,007.98, 356,837.01 and 113,436.46

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Solution

The fourth proportional to 238,007.98, 356,837.01 and 113,436.46 is: 170,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,007.98 : 356,837.01 = 113,436.46 : x
  2. Step 2: Convert to fraction form
    238,007.98/356,837.01 = 113,436.46/x
  3. Step 3: Cross multiply
    238,007.98x = 356,837.01 × 113,436.46
  4. Step 4: Simplify right side
    238,007.98x = 40,478,327,211.38
  5. Step 5: Solve for x
    x = 40,478,327,211.38/238,007.98
  6. Step 6: Final answer
    x = 170,071.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.