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Finding the Fourth Proportional to 176,668.83, 243,780.85 and 119,432.70

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Solution

The fourth proportional to 176,668.83, 243,780.85 and 119,432.70 is: 164,802.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,668.83 : 243,780.85 = 119,432.70 : x
  2. Step 2: Convert to fraction form
    176,668.83/243,780.85 = 119,432.70/x
  3. Step 3: Cross multiply
    176,668.83x = 243,780.85 × 119,432.70
  4. Step 4: Simplify right side
    176,668.83x = 29,115,405,273.09
  5. Step 5: Solve for x
    x = 29,115,405,273.09/176,668.83
  6. Step 6: Final answer
    x = 164,802.16

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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.