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Finding the Fourth Proportional to 117,197.78, 175,804.87 and 58,017.56

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Solution

The fourth proportional to 117,197.78, 175,804.87 and 58,017.56 is: 87,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,197.78 : 175,804.87 = 58,017.56 : x
  2. Step 2: Convert to fraction form
    117,197.78/175,804.87 = 58,017.56/x
  3. Step 3: Cross multiply
    117,197.78x = 175,804.87 × 58,017.56
  4. Step 4: Simplify right side
    117,197.78x = 10,199,769,593.52
  5. Step 5: Solve for x
    x = 10,199,769,593.52/117,197.78
  6. Step 6: Final answer
    x = 87,030.40

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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.