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Finding the Fourth Proportional to 103,656.70, 155,445.99 and 33,517.18

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Solution

The fourth proportional to 103,656.70, 155,445.99 and 33,517.18 is: 50,263.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,656.70 : 155,445.99 = 33,517.18 : x
  2. Step 2: Convert to fraction form
    103,656.70/155,445.99 = 33,517.18/x
  3. Step 3: Cross multiply
    103,656.70x = 155,445.99 × 33,517.18
  4. Step 4: Simplify right side
    103,656.70x = 5,210,111,227.11
  5. Step 5: Solve for x
    x = 5,210,111,227.11/103,656.70
  6. Step 6: Final answer
    x = 50,263.14

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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.