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Finding the Fourth Proportional to 193,410.20, 289,769.70 and 165,762.20

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Solution

The fourth proportional to 193,410.20, 289,769.70 and 165,762.20 is: 248,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,410.20 : 289,769.70 = 165,762.20 : x
  2. Step 2: Convert to fraction form
    193,410.20/289,769.70 = 165,762.20/x
  3. Step 3: Cross multiply
    193,410.20x = 289,769.70 × 165,762.20
  4. Step 4: Simplify right side
    193,410.20x = 48,032,862,965.34
  5. Step 5: Solve for x
    x = 48,032,862,965.34/193,410.20
  6. Step 6: Final answer
    x = 248,347.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.