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Finding the Fourth Proportional to 158,812.70, 238,000.35 and 105,352.70

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Solution

The fourth proportional to 158,812.70, 238,000.35 and 105,352.70 is: 157,883.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,812.70 : 238,000.35 = 105,352.70 : x
  2. Step 2: Convert to fraction form
    158,812.70/238,000.35 = 105,352.70/x
  3. Step 3: Cross multiply
    158,812.70x = 238,000.35 × 105,352.70
  4. Step 4: Simplify right side
    158,812.70x = 25,073,979,473.45
  5. Step 5: Solve for x
    x = 25,073,979,473.45/158,812.70
  6. Step 6: Final answer
    x = 157,883.97

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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.