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Finding the Fourth Proportional to 176,673.34, 243,765.61 and 108,701.38

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Solution

The fourth proportional to 176,673.34, 243,765.61 and 108,701.38 is: 149,981.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,673.34 : 243,765.61 = 108,701.38 : x
  2. Step 2: Convert to fraction form
    176,673.34/243,765.61 = 108,701.38/x
  3. Step 3: Cross multiply
    176,673.34x = 243,765.61 × 108,701.38
  4. Step 4: Simplify right side
    176,673.34x = 26,497,658,203.54
  5. Step 5: Solve for x
    x = 26,497,658,203.54/176,673.34
  6. Step 6: Final answer
    x = 149,981.08

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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.