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Finding the Fourth Proportional to 118,187.56, 177,277.02 and 35,079.40

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Solution

The fourth proportional to 118,187.56, 177,277.02 and 35,079.40 is: 52,617.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,187.56 : 177,277.02 = 35,079.40 : x
  2. Step 2: Convert to fraction form
    118,187.56/177,277.02 = 35,079.40/x
  3. Step 3: Cross multiply
    118,187.56x = 177,277.02 × 35,079.40
  4. Step 4: Simplify right side
    118,187.56x = 6,218,771,495.39
  5. Step 5: Solve for x
    x = 6,218,771,495.39/118,187.56
  6. Step 6: Final answer
    x = 52,617.82

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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.