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Finding the Fourth Proportional to 157,625.70, 236,467.35 and 64,140.90

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Solution

The fourth proportional to 157,625.70, 236,467.35 and 64,140.90 is: 96,223.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,625.70 : 236,467.35 = 64,140.90 : x
  2. Step 2: Convert to fraction form
    157,625.70/236,467.35 = 64,140.90/x
  3. Step 3: Cross multiply
    157,625.70x = 236,467.35 × 64,140.90
  4. Step 4: Simplify right side
    157,625.70x = 15,167,228,649.62
  5. Step 5: Solve for x
    x = 15,167,228,649.62/157,625.70
  6. Step 6: Final answer
    x = 96,223.07

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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.