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Finding the Fourth Proportional to 109,039.30, 163,558.95 and 93,487.30

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Solution

The fourth proportional to 109,039.30, 163,558.95 and 93,487.30 is: 140,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,039.30 : 163,558.95 = 93,487.30 : x
  2. Step 2: Convert to fraction form
    109,039.30/163,558.95 = 93,487.30/x
  3. Step 3: Cross multiply
    109,039.30x = 163,558.95 × 93,487.30
  4. Step 4: Simplify right side
    109,039.30x = 15,290,684,626.34
  5. Step 5: Solve for x
    x = 15,290,684,626.34/109,039.30
  6. Step 6: Final answer
    x = 140,230.95

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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.