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Finding the Fourth Proportional to 228,161.10, 314,813.07 and 132,618.90

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Solution

The fourth proportional to 228,161.10, 314,813.07 and 132,618.90 is: 182,985.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,161.10 : 314,813.07 = 132,618.90 : x
  2. Step 2: Convert to fraction form
    228,161.10/314,813.07 = 132,618.90/x
  3. Step 3: Cross multiply
    228,161.10x = 314,813.07 × 132,618.90
  4. Step 4: Simplify right side
    228,161.10x = 41,750,163,049.02
  5. Step 5: Solve for x
    x = 41,750,163,049.02/228,161.10
  6. Step 6: Final answer
    x = 182,985.46

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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.