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Finding the Fourth Proportional to 118,352.58, 177,538.14 and 39,466.86

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Solution

The fourth proportional to 118,352.58, 177,538.14 and 39,466.86 is: 59,203.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,352.58 : 177,538.14 = 39,466.86 : x
  2. Step 2: Convert to fraction form
    118,352.58/177,538.14 = 39,466.86/x
  3. Step 3: Cross multiply
    118,352.58x = 177,538.14 × 39,466.86
  4. Step 4: Simplify right side
    118,352.58x = 7,006,872,916.04
  5. Step 5: Solve for x
    x = 7,006,872,916.04/118,352.58
  6. Step 6: Final answer
    x = 59,203.38

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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.