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Finding the Fourth Proportional to 146,343.40, 219,515.10 and 35,535.40

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Solution

The fourth proportional to 146,343.40, 219,515.10 and 35,535.40 is: 53,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,343.40 : 219,515.10 = 35,535.40 : x
  2. Step 2: Convert to fraction form
    146,343.40/219,515.10 = 35,535.40/x
  3. Step 3: Cross multiply
    146,343.40x = 219,515.10 × 35,535.40
  4. Step 4: Simplify right side
    146,343.40x = 7,800,556,884.54
  5. Step 5: Solve for x
    x = 7,800,556,884.54/146,343.40
  6. Step 6: Final answer
    x = 53,303.10

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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.