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Finding the Fourth Proportional to 176,190.54, 243,143.24 and 104,584.92

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Solution

The fourth proportional to 176,190.54, 243,143.24 and 104,584.92 is: 144,327.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,190.54 : 243,143.24 = 104,584.92 : x
  2. Step 2: Convert to fraction form
    176,190.54/243,143.24 = 104,584.92/x
  3. Step 3: Cross multiply
    176,190.54x = 243,143.24 × 104,584.92
  4. Step 4: Simplify right side
    176,190.54x = 25,429,115,781.02
  5. Step 5: Solve for x
    x = 25,429,115,781.02/176,190.54
  6. Step 6: Final answer
    x = 144,327.36

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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.