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Finding the Fourth Proportional to 157,725, 236,586.18 and 39,395.54

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Solution

The fourth proportional to 157,725, 236,586.18 and 39,395.54 is: 59,092.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,725 : 236,586.18 = 39,395.54 : x
  2. Step 2: Convert to fraction form
    157,725/236,586.18 = 39,395.54/x
  3. Step 3: Cross multiply
    157,725x = 236,586.18 × 39,395.54
  4. Step 4: Simplify right side
    157,725x = 9,320,440,317.64
  5. Step 5: Solve for x
    x = 9,320,440,317.64/157,725
  6. Step 6: Final answer
    x = 59,092.98

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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.