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Finding the Fourth Proportional to 203,116.80, 304,060.80 and 180,998.40

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Solution

The fourth proportional to 203,116.80, 304,060.80 and 180,998.40 is: 270,950.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,116.80 : 304,060.80 = 180,998.40 : x
  2. Step 2: Convert to fraction form
    203,116.80/304,060.80 = 180,998.40/x
  3. Step 3: Cross multiply
    203,116.80x = 304,060.80 × 180,998.40
  4. Step 4: Simplify right side
    203,116.80x = 55,034,518,302.72
  5. Step 5: Solve for x
    x = 55,034,518,302.72/203,116.80
  6. Step 6: Final answer
    x = 270,950.11

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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.