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Finding the Fourth Proportional to 250,969.52, 346,316.46 and 143,522.30

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Solution

The fourth proportional to 250,969.52, 346,316.46 and 143,522.30 is: 198,048.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,969.52 : 346,316.46 = 143,522.30 : x
  2. Step 2: Convert to fraction form
    250,969.52/346,316.46 = 143,522.30/x
  3. Step 3: Cross multiply
    250,969.52x = 346,316.46 × 143,522.30
  4. Step 4: Simplify right side
    250,969.52x = 49,704,134,867.06
  5. Step 5: Solve for x
    x = 49,704,134,867.06/250,969.52
  6. Step 6: Final answer
    x = 198,048.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.