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Finding the Fourth Proportional to 88,169.77, 132,259.65 and 28,203.51

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Solution

The fourth proportional to 88,169.77, 132,259.65 and 28,203.51 is: 42,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,169.77 : 132,259.65 = 28,203.51 : x
  2. Step 2: Convert to fraction form
    88,169.77/132,259.65 = 28,203.51/x
  3. Step 3: Cross multiply
    88,169.77x = 132,259.65 × 28,203.51
  4. Step 4: Simplify right side
    88,169.77x = 3,730,186,361.37
  5. Step 5: Solve for x
    x = 3,730,186,361.37/88,169.77
  6. Step 6: Final answer
    x = 42,306.87

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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.