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Finding the Fourth Proportional to 137,227.44, 206,030.06 and 69,805.12

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Solution

The fourth proportional to 137,227.44, 206,030.06 and 69,805.12 is: 104,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,227.44 : 206,030.06 = 69,805.12 : x
  2. Step 2: Convert to fraction form
    137,227.44/206,030.06 = 69,805.12/x
  3. Step 3: Cross multiply
    137,227.44x = 206,030.06 × 69,805.12
  4. Step 4: Simplify right side
    137,227.44x = 14,381,953,061.91
  5. Step 5: Solve for x
    x = 14,381,953,061.91/137,227.44
  6. Step 6: Final answer
    x = 104,803.77

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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.