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Finding the Fourth Proportional to 272,484.76, 375,815.96 and 177,022.20

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Solution

The fourth proportional to 272,484.76, 375,815.96 and 177,022.20 is: 244,152.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,484.76 : 375,815.96 = 177,022.20 : x
  2. Step 2: Convert to fraction form
    272,484.76/375,815.96 = 177,022.20/x
  3. Step 3: Cross multiply
    272,484.76x = 375,815.96 × 177,022.20
  4. Step 4: Simplify right side
    272,484.76x = 66,527,768,034.31
  5. Step 5: Solve for x
    x = 66,527,768,034.31/272,484.76
  6. Step 6: Final answer
    x = 244,152.25

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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.