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Finding the Fourth Proportional to 262,017.58, 393,109.45 and 93,534.30

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Solution

The fourth proportional to 262,017.58, 393,109.45 and 93,534.30 is: 140,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,017.58 : 393,109.45 = 93,534.30 : x
  2. Step 2: Convert to fraction form
    262,017.58/393,109.45 = 93,534.30/x
  3. Step 3: Cross multiply
    262,017.58x = 393,109.45 × 93,534.30
  4. Step 4: Simplify right side
    262,017.58x = 36,769,217,229.14
  5. Step 5: Solve for x
    x = 36,769,217,229.14/262,017.58
  6. Step 6: Final answer
    x = 140,331.11

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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.