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Finding the Fourth Proportional to 285,062.88, 427,467.96 and 151,918.32

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Solution

The fourth proportional to 285,062.88, 427,467.96 and 151,918.32 is: 227,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,062.88 : 427,467.96 = 151,918.32 : x
  2. Step 2: Convert to fraction form
    285,062.88/427,467.96 = 151,918.32/x
  3. Step 3: Cross multiply
    285,062.88x = 427,467.96 × 151,918.32
  4. Step 4: Simplify right side
    285,062.88x = 64,940,214,337.03
  5. Step 5: Solve for x
    x = 64,940,214,337.03/285,062.88
  6. Step 6: Final answer
    x = 227,810.14

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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.