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Finding the Fourth Proportional to 202,890.04, 304,335.18 and 158,450.20

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Solution

The fourth proportional to 202,890.04, 304,335.18 and 158,450.20 is: 237,675.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,890.04 : 304,335.18 = 158,450.20 : x
  2. Step 2: Convert to fraction form
    202,890.04/304,335.18 = 158,450.20/x
  3. Step 3: Cross multiply
    202,890.04x = 304,335.18 × 158,450.20
  4. Step 4: Simplify right side
    202,890.04x = 48,221,970,138.04
  5. Step 5: Solve for x
    x = 48,221,970,138.04/202,890.04
  6. Step 6: Final answer
    x = 237,675.39

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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.