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Finding the Fourth Proportional to 159,903.99, 220,666.10 and 88,282.49

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Solution

The fourth proportional to 159,903.99, 220,666.10 and 88,282.49 is: 121,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,903.99 : 220,666.10 = 88,282.49 : x
  2. Step 2: Convert to fraction form
    159,903.99/220,666.10 = 88,282.49/x
  3. Step 3: Cross multiply
    159,903.99x = 220,666.10 × 88,282.49
  4. Step 4: Simplify right side
    159,903.99x = 19,480,951,221.85
  5. Step 5: Solve for x
    x = 19,480,951,221.85/159,903.99
  6. Step 6: Final answer
    x = 121,829.05

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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.