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Finding the Fourth Proportional to 119,270.88, 178,913.88 and 39,314.16

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Solution

The fourth proportional to 119,270.88, 178,913.88 and 39,314.16 is: 58,973.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,270.88 : 178,913.88 = 39,314.16 : x
  2. Step 2: Convert to fraction form
    119,270.88/178,913.88 = 39,314.16/x
  3. Step 3: Cross multiply
    119,270.88x = 178,913.88 × 39,314.16
  4. Step 4: Simplify right side
    119,270.88x = 7,033,848,904.54
  5. Step 5: Solve for x
    x = 7,033,848,904.54/119,270.88
  6. Step 6: Final answer
    x = 58,973.73

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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.