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Finding the Fourth Proportional to 109,017.29, 150,410.06 and 63,662.56

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Solution

The fourth proportional to 109,017.29, 150,410.06 and 63,662.56 is: 87,834.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,017.29 : 150,410.06 = 63,662.56 : x
  2. Step 2: Convert to fraction form
    109,017.29/150,410.06 = 63,662.56/x
  3. Step 3: Cross multiply
    109,017.29x = 150,410.06 × 63,662.56
  4. Step 4: Simplify right side
    109,017.29x = 9,575,489,013.75
  5. Step 5: Solve for x
    x = 9,575,489,013.75/109,017.29
  6. Step 6: Final answer
    x = 87,834.59

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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.