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Finding the Fourth Proportional to 250,777.78, 346,073.36 and 143,350.16

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Solution

The fourth proportional to 250,777.78, 346,073.36 and 143,350.16 is: 197,823.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,777.78 : 346,073.36 = 143,350.16 : x
  2. Step 2: Convert to fraction form
    250,777.78/346,073.36 = 143,350.16/x
  3. Step 3: Cross multiply
    250,777.78x = 346,073.36 × 143,350.16
  4. Step 4: Simplify right side
    250,777.78x = 49,609,669,080.62
  5. Step 5: Solve for x
    x = 49,609,669,080.62/250,777.78
  6. Step 6: Final answer
    x = 197,823.23

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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.