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Finding the Fourth Proportional to 95,685.28, 143,522.16 and 30,021.28

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Solution

The fourth proportional to 95,685.28, 143,522.16 and 30,021.28 is: 45,030.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,685.28 : 143,522.16 = 30,021.28 : x
  2. Step 2: Convert to fraction form
    95,685.28/143,522.16 = 30,021.28/x
  3. Step 3: Cross multiply
    95,685.28x = 143,522.16 × 30,021.28
  4. Step 4: Simplify right side
    95,685.28x = 4,308,718,951.56
  5. Step 5: Solve for x
    x = 4,308,718,951.56/95,685.28
  6. Step 6: Final answer
    x = 45,030.11

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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.