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Finding the Fourth Proportional to 203,492.10, 304,993.40 and 75,306.10

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Solution

The fourth proportional to 203,492.10, 304,993.40 and 75,306.10 is: 112,868.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,492.10 : 304,993.40 = 75,306.10 : x
  2. Step 2: Convert to fraction form
    203,492.10/304,993.40 = 75,306.10/x
  3. Step 3: Cross multiply
    203,492.10x = 304,993.40 × 75,306.10
  4. Step 4: Simplify right side
    203,492.10x = 22,967,863,479.74
  5. Step 5: Solve for x
    x = 22,967,863,479.74/203,492.10
  6. Step 6: Final answer
    x = 112,868.58

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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.