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Finding the Fourth Proportional to 262,064.58, 393,117.39 and 93,621.30

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Solution

The fourth proportional to 262,064.58, 393,117.39 and 93,621.30 is: 140,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,064.58 : 393,117.39 = 93,621.30 : x
  2. Step 2: Convert to fraction form
    262,064.58/393,117.39 = 93,621.30/x
  3. Step 3: Cross multiply
    262,064.58x = 393,117.39 × 93,621.30
  4. Step 4: Simplify right side
    262,064.58x = 36,804,161,104.41
  5. Step 5: Solve for x
    x = 36,804,161,104.41/262,064.58
  6. Step 6: Final answer
    x = 140,439.28

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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.