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Finding the Fourth Proportional to 291,094.35, 436,503.23 and 101,531.68

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Solution

The fourth proportional to 291,094.35, 436,503.23 and 101,531.68 is: 152,249.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,094.35 : 436,503.23 = 101,531.68 : x
  2. Step 2: Convert to fraction form
    291,094.35/436,503.23 = 101,531.68/x
  3. Step 3: Cross multiply
    291,094.35x = 436,503.23 × 101,531.68
  4. Step 4: Simplify right side
    291,094.35x = 44,318,906,267.33
  5. Step 5: Solve for x
    x = 44,318,906,267.33/291,094.35
  6. Step 6: Final answer
    x = 152,249.28

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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.