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Finding the Fourth Proportional to 292,891.83, 439,169.52 and 115,301.94

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Solution

The fourth proportional to 292,891.83, 439,169.52 and 115,301.94 is: 172,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,891.83 : 439,169.52 = 115,301.94 : x
  2. Step 2: Convert to fraction form
    292,891.83/439,169.52 = 115,301.94/x
  3. Step 3: Cross multiply
    292,891.83x = 439,169.52 × 115,301.94
  4. Step 4: Simplify right side
    292,891.83x = 50,637,097,644.87
  5. Step 5: Solve for x
    x = 50,637,097,644.87/292,891.83
  6. Step 6: Final answer
    x = 172,886.69

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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.