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Finding the Fourth Proportional to 117,270.13, 175,905.19 and 28,523.69

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Solution

The fourth proportional to 117,270.13, 175,905.19 and 28,523.69 is: 42,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,270.13 : 175,905.19 = 28,523.69 : x
  2. Step 2: Convert to fraction form
    117,270.13/175,905.19 = 28,523.69/x
  3. Step 3: Cross multiply
    117,270.13x = 175,905.19 × 28,523.69
  4. Step 4: Simplify right side
    117,270.13x = 5,017,465,548.71
  5. Step 5: Solve for x
    x = 5,017,465,548.71/117,270.13
  6. Step 6: Final answer
    x = 42,785.54

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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.