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Finding the Fourth Proportional to 440,558.92, 660,840.54 and 108,134.92

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Solution

The fourth proportional to 440,558.92, 660,840.54 and 108,134.92 is: 162,202.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,558.92 : 660,840.54 = 108,134.92 : x
  2. Step 2: Convert to fraction form
    440,558.92/660,840.54 = 108,134.92/x
  3. Step 3: Cross multiply
    440,558.92x = 660,840.54 × 108,134.92
  4. Step 4: Simplify right side
    440,558.92x = 71,459,938,925.66
  5. Step 5: Solve for x
    x = 71,459,938,925.66/440,558.92
  6. Step 6: Final answer
    x = 162,202.91

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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.