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Finding the Fourth Proportional to 176,327.55, 243,406.51 and 119,044.47

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Solution

The fourth proportional to 176,327.55, 243,406.51 and 119,044.47 is: 164,331.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,327.55 : 243,406.51 = 119,044.47 : x
  2. Step 2: Convert to fraction form
    176,327.55/243,406.51 = 119,044.47/x
  3. Step 3: Cross multiply
    176,327.55x = 243,406.51 × 119,044.47
  4. Step 4: Simplify right side
    176,327.55x = 28,976,198,058.08
  5. Step 5: Solve for x
    x = 28,976,198,058.08/176,327.55
  6. Step 6: Final answer
    x = 164,331.66

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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.