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Finding the Fourth Proportional to 157,588.70, 236,383.05 and 155,255.90

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Solution

The fourth proportional to 157,588.70, 236,383.05 and 155,255.90 is: 232,883.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,588.70 : 236,383.05 = 155,255.90 : x
  2. Step 2: Convert to fraction form
    157,588.70/236,383.05 = 155,255.90/x
  3. Step 3: Cross multiply
    157,588.70x = 236,383.05 × 155,255.90
  4. Step 4: Simplify right side
    157,588.70x = 36,699,863,172.50
  5. Step 5: Solve for x
    x = 36,699,863,172.50/157,588.70
  6. Step 6: Final answer
    x = 232,883.85

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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.