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Finding the Fourth Proportional to 177,574.83, 245,060.72 and 102,123.39

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Solution

The fourth proportional to 177,574.83, 245,060.72 and 102,123.39 is: 140,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,574.83 : 245,060.72 = 102,123.39 : x
  2. Step 2: Convert to fraction form
    177,574.83/245,060.72 = 102,123.39/x
  3. Step 3: Cross multiply
    177,574.83x = 245,060.72 × 102,123.39
  4. Step 4: Simplify right side
    177,574.83x = 25,026,430,971.62
  5. Step 5: Solve for x
    x = 25,026,430,971.62/177,574.83
  6. Step 6: Final answer
    x = 140,934.56

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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.