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Finding the Fourth Proportional to 176,389.74, 243,422.36 and 95,821.88

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Solution

The fourth proportional to 176,389.74, 243,422.36 and 95,821.88 is: 132,236.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,389.74 : 243,422.36 = 95,821.88 : x
  2. Step 2: Convert to fraction form
    176,389.74/243,422.36 = 95,821.88/x
  3. Step 3: Cross multiply
    176,389.74x = 243,422.36 × 95,821.88
  4. Step 4: Simplify right side
    176,389.74x = 23,325,186,473.02
  5. Step 5: Solve for x
    x = 23,325,186,473.02/176,389.74
  6. Step 6: Final answer
    x = 132,236.64

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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.