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Finding the Fourth Proportional to 250,624.95, 345,830.56 and 143,201.94

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Solution

The fourth proportional to 250,624.95, 345,830.56 and 143,201.94 is: 197,600.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,624.95 : 345,830.56 = 143,201.94 : x
  2. Step 2: Convert to fraction form
    250,624.95/345,830.56 = 143,201.94/x
  3. Step 3: Cross multiply
    250,624.95x = 345,830.56 × 143,201.94
  4. Step 4: Simplify right side
    250,624.95x = 49,523,607,103.29
  5. Step 5: Solve for x
    x = 49,523,607,103.29/250,624.95
  6. Step 6: Final answer
    x = 197,600.47

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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.