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Finding the Fourth Proportional to 99,545.28, 149,300.64 and 33,881.28

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Solution

The fourth proportional to 99,545.28, 149,300.64 and 33,881.28 is: 50,816.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,545.28 : 149,300.64 = 33,881.28 : x
  2. Step 2: Convert to fraction form
    99,545.28/149,300.64 = 33,881.28/x
  3. Step 3: Cross multiply
    99,545.28x = 149,300.64 × 33,881.28
  4. Step 4: Simplify right side
    99,545.28x = 5,058,496,788.02
  5. Step 5: Solve for x
    x = 5,058,496,788.02/99,545.28
  6. Step 6: Final answer
    x = 50,816.04

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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.