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Finding the Fourth Proportional to 250,767.88, 346,059.64 and 143,340.22

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Solution

The fourth proportional to 250,767.88, 346,059.64 and 143,340.22 is: 197,809.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,767.88 : 346,059.64 = 143,340.22 : x
  2. Step 2: Convert to fraction form
    250,767.88/346,059.64 = 143,340.22/x
  3. Step 3: Cross multiply
    250,767.88x = 346,059.64 × 143,340.22
  4. Step 4: Simplify right side
    250,767.88x = 49,604,264,930.72
  5. Step 5: Solve for x
    x = 49,604,264,930.72/250,767.88
  6. Step 6: Final answer
    x = 197,809.48

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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.