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Finding the Fourth Proportional to 78,236.57, 117,349.99 and 24,927.23

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Solution

The fourth proportional to 78,236.57, 117,349.99 and 24,927.23 is: 37,389.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,236.57 : 117,349.99 = 24,927.23 : x
  2. Step 2: Convert to fraction form
    78,236.57/117,349.99 = 24,927.23/x
  3. Step 3: Cross multiply
    78,236.57x = 117,349.99 × 24,927.23
  4. Step 4: Simplify right side
    78,236.57x = 2,925,210,122.44
  5. Step 5: Solve for x
    x = 2,925,210,122.44/78,236.57
  6. Step 6: Final answer
    x = 37,389.29

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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.