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Finding the Fourth Proportional to 176,677.39, 243,894.41 and 116,279.74

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Solution

The fourth proportional to 176,677.39, 243,894.41 and 116,279.74 is: 160,518.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,677.39 : 243,894.41 = 116,279.74 : x
  2. Step 2: Convert to fraction form
    176,677.39/243,894.41 = 116,279.74/x
  3. Step 3: Cross multiply
    176,677.39x = 243,894.41 × 116,279.74
  4. Step 4: Simplify right side
    176,677.39x = 28,359,978,582.25
  5. Step 5: Solve for x
    x = 28,359,978,582.25/176,677.39
  6. Step 6: Final answer
    x = 160,518.44

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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.