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Finding the Fourth Proportional to 335,166.77, 502,591.92 and 121,784.12

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Solution

The fourth proportional to 335,166.77, 502,591.92 and 121,784.12 is: 182,618.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,166.77 : 502,591.92 = 121,784.12 : x
  2. Step 2: Convert to fraction form
    335,166.77/502,591.92 = 121,784.12/x
  3. Step 3: Cross multiply
    335,166.77x = 502,591.92 × 121,784.12
  4. Step 4: Simplify right side
    335,166.77x = 61,207,714,696.31
  5. Step 5: Solve for x
    x = 61,207,714,696.31/335,166.77
  6. Step 6: Final answer
    x = 182,618.68

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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.