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Finding the Fourth Proportional to 262,026.30, 393,122.52 and 93,543

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Solution

The fourth proportional to 262,026.30, 393,122.52 and 93,543 is: 140,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,026.30 : 393,122.52 = 93,543 : x
  2. Step 2: Convert to fraction form
    262,026.30/393,122.52 = 93,543/x
  3. Step 3: Cross multiply
    262,026.30x = 393,122.52 × 93,543
  4. Step 4: Simplify right side
    262,026.30x = 36,773,859,888.36
  5. Step 5: Solve for x
    x = 36,773,859,888.36/262,026.30
  6. Step 6: Final answer
    x = 140,344.16

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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.