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Finding the Fourth Proportional to 238,007.61, 356,836.45 and 113,436.09

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Solution

The fourth proportional to 238,007.61, 356,836.45 and 113,436.09 is: 170,070.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,007.61 : 356,836.45 = 113,436.09 : x
  2. Step 2: Convert to fraction form
    238,007.61/356,836.45 = 113,436.09/x
  3. Step 3: Cross multiply
    238,007.61x = 356,836.45 × 113,436.09
  4. Step 4: Simplify right side
    238,007.61x = 40,478,129,589.71
  5. Step 5: Solve for x
    x = 40,478,129,589.71/238,007.61
  6. Step 6: Final answer
    x = 170,070.74

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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.