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Finding the Fourth Proportional to 234,469.40, 351,703.18 and 56,976.93

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Solution

The fourth proportional to 234,469.40, 351,703.18 and 56,976.93 is: 85,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,469.40 : 351,703.18 = 56,976.93 : x
  2. Step 2: Convert to fraction form
    234,469.40/351,703.18 = 56,976.93/x
  3. Step 3: Cross multiply
    234,469.40x = 351,703.18 × 56,976.93
  4. Step 4: Simplify right side
    234,469.40x = 20,038,967,538.86
  5. Step 5: Solve for x
    x = 20,038,967,538.86/234,469.40
  6. Step 6: Final answer
    x = 85,465.17

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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.