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Finding the Fourth Proportional to 159,567.59, 220,204.81 and 87,950.36

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Solution

The fourth proportional to 159,567.59, 220,204.81 and 87,950.36 is: 121,372.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,567.59 : 220,204.81 = 87,950.36 : x
  2. Step 2: Convert to fraction form
    159,567.59/220,204.81 = 87,950.36/x
  3. Step 3: Cross multiply
    159,567.59x = 220,204.81 × 87,950.36
  4. Step 4: Simplify right side
    159,567.59x = 19,367,092,973.68
  5. Step 5: Solve for x
    x = 19,367,092,973.68/159,567.59
  6. Step 6: Final answer
    x = 121,372.35

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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.