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Finding the Fourth Proportional to 304,001.76, 455,979.60 and 106,871.52

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Solution

The fourth proportional to 304,001.76, 455,979.60 and 106,871.52 is: 160,299.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,001.76 : 455,979.60 = 106,871.52 : x
  2. Step 2: Convert to fraction form
    304,001.76/455,979.60 = 106,871.52/x
  3. Step 3: Cross multiply
    304,001.76x = 455,979.60 × 106,871.52
  4. Step 4: Simplify right side
    304,001.76x = 48,731,232,940.99
  5. Step 5: Solve for x
    x = 48,731,232,940.99/304,001.76
  6. Step 6: Final answer
    x = 160,299.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.