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Finding the Fourth Proportional to 117,904.15, 176,745.04 and 58,683.84

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Solution

The fourth proportional to 117,904.15, 176,745.04 and 58,683.84 is: 87,970.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,904.15 : 176,745.04 = 58,683.84 : x
  2. Step 2: Convert to fraction form
    117,904.15/176,745.04 = 58,683.84/x
  3. Step 3: Cross multiply
    117,904.15x = 176,745.04 × 58,683.84
  4. Step 4: Simplify right side
    117,904.15x = 10,372,077,648.15
  5. Step 5: Solve for x
    x = 10,372,077,648.15/117,904.15
  6. Step 6: Final answer
    x = 87,970.42

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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.