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Finding the Fourth Proportional to 345,159.86, 476,137.92 and 237,543.06

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Solution

The fourth proportional to 345,159.86, 476,137.92 and 237,543.06 is: 327,683.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,159.86 : 476,137.92 = 237,543.06 : x
  2. Step 2: Convert to fraction form
    345,159.86/476,137.92 = 237,543.06/x
  3. Step 3: Cross multiply
    345,159.86x = 476,137.92 × 237,543.06
  4. Step 4: Simplify right side
    345,159.86x = 113,103,256,489.64
  5. Step 5: Solve for x
    x = 113,103,256,489.64/345,159.86
  6. Step 6: Final answer
    x = 327,683.69

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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.