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Finding the Fourth Proportional to 202,854.20, 304,281.30 and 92,046.20

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Solution

The fourth proportional to 202,854.20, 304,281.30 and 92,046.20 is: 138,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,854.20 : 304,281.30 = 92,046.20 : x
  2. Step 2: Convert to fraction form
    202,854.20/304,281.30 = 92,046.20/x
  3. Step 3: Cross multiply
    202,854.20x = 304,281.30 × 92,046.20
  4. Step 4: Simplify right side
    202,854.20x = 28,007,937,396.06
  5. Step 5: Solve for x
    x = 28,007,937,396.06/202,854.20
  6. Step 6: Final answer
    x = 138,069.30

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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.