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Finding the Fourth Proportional to 157,401.70, 236,131.35 and 63,916.90

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Solution

The fourth proportional to 157,401.70, 236,131.35 and 63,916.90 is: 95,887.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,401.70 : 236,131.35 = 63,916.90 : x
  2. Step 2: Convert to fraction form
    157,401.70/236,131.35 = 63,916.90/x
  3. Step 3: Cross multiply
    157,401.70x = 236,131.35 × 63,916.90
  4. Step 4: Simplify right side
    157,401.70x = 15,092,783,884.82
  5. Step 5: Solve for x
    x = 15,092,783,884.82/157,401.70
  6. Step 6: Final answer
    x = 95,887.04

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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.