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Finding the Fourth Proportional to 176,599.69, 243,647.94 and 100,110.58

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Solution

The fourth proportional to 176,599.69, 243,647.94 and 100,110.58 is: 138,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,599.69 : 243,647.94 = 100,110.58 : x
  2. Step 2: Convert to fraction form
    176,599.69/243,647.94 = 100,110.58/x
  3. Step 3: Cross multiply
    176,599.69x = 243,647.94 × 100,110.58
  4. Step 4: Simplify right side
    176,599.69x = 24,391,736,589.21
  5. Step 5: Solve for x
    x = 24,391,736,589.21/176,599.69
  6. Step 6: Final answer
    x = 138,118.80

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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.