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Finding the Fourth Proportional to 234,307.50, 351,568.35 and 127,531.50

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Solution

The fourth proportional to 234,307.50, 351,568.35 and 127,531.50 is: 191,355.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,307.50 : 351,568.35 = 127,531.50 : x
  2. Step 2: Convert to fraction form
    234,307.50/351,568.35 = 127,531.50/x
  3. Step 3: Cross multiply
    234,307.50x = 351,568.35 × 127,531.50
  4. Step 4: Simplify right side
    234,307.50x = 44,836,039,028.03
  5. Step 5: Solve for x
    x = 44,836,039,028.03/234,307.50
  6. Step 6: Final answer
    x = 191,355.54

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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.