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Finding the Fourth Proportional to 118,052, 177,112.60 and 38,088.36

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Solution

The fourth proportional to 118,052, 177,112.60 and 38,088.36 is: 57,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,052 : 177,112.60 = 38,088.36 : x
  2. Step 2: Convert to fraction form
    118,052/177,112.60 = 38,088.36/x
  3. Step 3: Cross multiply
    118,052x = 177,112.60 × 38,088.36
  4. Step 4: Simplify right side
    118,052x = 6,745,928,469.34
  5. Step 5: Solve for x
    x = 6,745,928,469.34/118,052
  6. Step 6: Final answer
    x = 57,143.70

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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.