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Finding the Fourth Proportional to 158,808.06, 238,252.05 and 70,086.06

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Solution

The fourth proportional to 158,808.06, 238,252.05 and 70,086.06 is: 105,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,808.06 : 238,252.05 = 70,086.06 : x
  2. Step 2: Convert to fraction form
    158,808.06/238,252.05 = 70,086.06/x
  3. Step 3: Cross multiply
    158,808.06x = 238,252.05 × 70,086.06
  4. Step 4: Simplify right side
    158,808.06x = 16,698,147,471.42
  5. Step 5: Solve for x
    x = 16,698,147,471.42/158,808.06
  6. Step 6: Final answer
    x = 105,146.73

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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.