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Finding the Fourth Proportional to 157,999.20, 237,031.20 and 52,893.60

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Solution

The fourth proportional to 157,999.20, 237,031.20 and 52,893.60 is: 79,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,999.20 : 237,031.20 = 52,893.60 : x
  2. Step 2: Convert to fraction form
    157,999.20/237,031.20 = 52,893.60/x
  3. Step 3: Cross multiply
    157,999.20x = 237,031.20 × 52,893.60
  4. Step 4: Simplify right side
    157,999.20x = 12,537,433,480.32
  5. Step 5: Solve for x
    x = 12,537,433,480.32/157,999.20
  6. Step 6: Final answer
    x = 79,351.25

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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.