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Finding the Fourth Proportional to 262,065.58, 393,118.89 and 93,622.30

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Solution

The fourth proportional to 262,065.58, 393,118.89 and 93,622.30 is: 140,440.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,065.58 : 393,118.89 = 93,622.30 : x
  2. Step 2: Convert to fraction form
    262,065.58/393,118.89 = 93,622.30/x
  3. Step 3: Cross multiply
    262,065.58x = 393,118.89 × 93,622.30
  4. Step 4: Simplify right side
    262,065.58x = 36,804,694,655.25
  5. Step 5: Solve for x
    x = 36,804,694,655.25/262,065.58
  6. Step 6: Final answer
    x = 140,440.78

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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.