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Finding the Fourth Proportional to 234,603.96, 351,851.96 and 139,860.90

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Solution

The fourth proportional to 234,603.96, 351,851.96 and 139,860.90 is: 209,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,603.96 : 351,851.96 = 139,860.90 : x
  2. Step 2: Convert to fraction form
    234,603.96/351,851.96 = 139,860.90/x
  3. Step 3: Cross multiply
    234,603.96x = 351,851.96 × 139,860.90
  4. Step 4: Simplify right side
    234,603.96x = 49,210,331,093.06
  5. Step 5: Solve for x
    x = 49,210,331,093.06/234,603.96
  6. Step 6: Final answer
    x = 209,759.17

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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.