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Finding the Fourth Proportional to 158,627.92, 237,893.28 and 53,418.64

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Solution

The fourth proportional to 158,627.92, 237,893.28 and 53,418.64 is: 80,111.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,627.92 : 237,893.28 = 53,418.64 : x
  2. Step 2: Convert to fraction form
    158,627.92/237,893.28 = 53,418.64/x
  3. Step 3: Cross multiply
    158,627.92x = 237,893.28 × 53,418.64
  4. Step 4: Simplify right side
    158,627.92x = 12,707,935,482.74
  5. Step 5: Solve for x
    x = 12,707,935,482.74/158,627.92
  6. Step 6: Final answer
    x = 80,111.59

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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.