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Finding the Fourth Proportional to 228,866.36, 315,820.14 and 132,074.24

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Solution

The fourth proportional to 228,866.36, 315,820.14 and 132,074.24 is: 182,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,866.36 : 315,820.14 = 132,074.24 : x
  2. Step 2: Convert to fraction form
    228,866.36/315,820.14 = 132,074.24/x
  3. Step 3: Cross multiply
    228,866.36x = 315,820.14 × 132,074.24
  4. Step 4: Simplify right side
    228,866.36x = 41,711,704,967.19
  5. Step 5: Solve for x
    x = 41,711,704,967.19/228,866.36
  6. Step 6: Final answer
    x = 182,253.54

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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.