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Finding the Fourth Proportional to 230,402.26, 345,603.12 and 64,190.26

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Solution

The fourth proportional to 230,402.26, 345,603.12 and 64,190.26 is: 96,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,402.26 : 345,603.12 = 64,190.26 : x
  2. Step 2: Convert to fraction form
    230,402.26/345,603.12 = 64,190.26/x
  3. Step 3: Cross multiply
    230,402.26x = 345,603.12 × 64,190.26
  4. Step 4: Simplify right side
    230,402.26x = 22,184,354,129.61
  5. Step 5: Solve for x
    x = 22,184,354,129.61/230,402.26
  6. Step 6: Final answer
    x = 96,285.31

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1.5x scale

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.