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Finding the Fourth Proportional to 238,622.64, 357,947.94 and 88,850.81

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Solution

The fourth proportional to 238,622.64, 357,947.94 and 88,850.81 is: 133,281.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,622.64 : 357,947.94 = 88,850.81 : x
  2. Step 2: Convert to fraction form
    238,622.64/357,947.94 = 88,850.81/x
  3. Step 3: Cross multiply
    238,622.64x = 357,947.94 × 88,850.81
  4. Step 4: Simplify right side
    238,622.64x = 31,803,962,617.09
  5. Step 5: Solve for x
    x = 31,803,962,617.09/238,622.64
  6. Step 6: Final answer
    x = 133,281.41

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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.