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Finding the Fourth Proportional to 262,141.50, 393,112.41 and 93,630.30

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Solution

The fourth proportional to 262,141.50, 393,112.41 and 93,630.30 is: 140,409.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,141.50 : 393,112.41 = 93,630.30 : x
  2. Step 2: Convert to fraction form
    262,141.50/393,112.41 = 93,630.30/x
  3. Step 3: Cross multiply
    262,141.50x = 393,112.41 × 93,630.30
  4. Step 4: Simplify right side
    262,141.50x = 36,807,232,882.02
  5. Step 5: Solve for x
    x = 36,807,232,882.02/262,141.50
  6. Step 6: Final answer
    x = 140,409.79

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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.