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Finding the Fourth Proportional to 618,777.10, 928,166.45 and 169,501.92

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Solution

The fourth proportional to 618,777.10, 928,166.45 and 169,501.92 is: 254,253.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,777.10 : 928,166.45 = 169,501.92 : x
  2. Step 2: Convert to fraction form
    618,777.10/928,166.45 = 169,501.92/x
  3. Step 3: Cross multiply
    618,777.10x = 928,166.45 × 169,501.92
  4. Step 4: Simplify right side
    618,777.10x = 157,325,991,026.45
  5. Step 5: Solve for x
    x = 157,325,991,026.45/618,777.10
  6. Step 6: Final answer
    x = 254,253.09

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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.