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Finding the Fourth Proportional to 147,797.88, 203,909.76 and 89,673.06

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Solution

The fourth proportional to 147,797.88, 203,909.76 and 89,673.06 is: 123,717.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,797.88 : 203,909.76 = 89,673.06 : x
  2. Step 2: Convert to fraction form
    147,797.88/203,909.76 = 89,673.06/x
  3. Step 3: Cross multiply
    147,797.88x = 203,909.76 × 89,673.06
  4. Step 4: Simplify right side
    147,797.88x = 18,285,212,143.07
  5. Step 5: Solve for x
    x = 18,285,212,143.07/147,797.88
  6. Step 6: Final answer
    x = 123,717.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.