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Finding the Fourth Proportional to 158,700.65, 238,154.65 and 75,601.13

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Solution

The fourth proportional to 158,700.65, 238,154.65 and 75,601.13 is: 113,451.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,700.65 : 238,154.65 = 75,601.13 : x
  2. Step 2: Convert to fraction form
    158,700.65/238,154.65 = 75,601.13/x
  3. Step 3: Cross multiply
    158,700.65x = 238,154.65 × 75,601.13
  4. Step 4: Simplify right side
    158,700.65x = 18,004,759,274.98
  5. Step 5: Solve for x
    x = 18,004,759,274.98/158,700.65
  6. Step 6: Final answer
    x = 113,451.08

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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.