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Finding the Fourth Proportional to 161,606.80, 223,012.81 and 88,017.56

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Solution

The fourth proportional to 161,606.80, 223,012.81 and 88,017.56 is: 121,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,606.80 : 223,012.81 = 88,017.56 : x
  2. Step 2: Convert to fraction form
    161,606.80/223,012.81 = 88,017.56/x
  3. Step 3: Cross multiply
    161,606.80x = 223,012.81 × 88,017.56
  4. Step 4: Simplify right side
    161,606.80x = 19,629,041,829.79
  5. Step 5: Solve for x
    x = 19,629,041,829.79/161,606.80
  6. Step 6: Final answer
    x = 121,461.73

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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.