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Finding the Fourth Proportional to 137,224.44, 206,025.56 and 69,802.11

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Solution

The fourth proportional to 137,224.44, 206,025.56 and 69,802.11 is: 104,799.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,224.44 : 206,025.56 = 69,802.11 : x
  2. Step 2: Convert to fraction form
    137,224.44/206,025.56 = 69,802.11/x
  3. Step 3: Cross multiply
    137,224.44x = 206,025.56 × 69,802.11
  4. Step 4: Simplify right side
    137,224.44x = 14,381,017,697.50
  5. Step 5: Solve for x
    x = 14,381,017,697.50/137,224.44
  6. Step 6: Final answer
    x = 104,799.24

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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.