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Finding the Fourth Proportional to 250,775.34, 346,069.98 and 143,347.70

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Solution

The fourth proportional to 250,775.34, 346,069.98 and 143,347.70 is: 197,819.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,775.34 : 346,069.98 = 143,347.70 : x
  2. Step 2: Convert to fraction form
    250,775.34/346,069.98 = 143,347.70/x
  3. Step 3: Cross multiply
    250,775.34x = 346,069.98 × 143,347.70
  4. Step 4: Simplify right side
    250,775.34x = 49,608,333,941.70
  5. Step 5: Solve for x
    x = 49,608,333,941.70/250,775.34
  6. Step 6: Final answer
    x = 197,819.83

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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.