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Finding the Fourth Proportional to 115,338.63, 172,946.28 and 59,155.82

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Solution

The fourth proportional to 115,338.63, 172,946.28 and 59,155.82 is: 88,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,338.63 : 172,946.28 = 59,155.82 : x
  2. Step 2: Convert to fraction form
    115,338.63/172,946.28 = 59,155.82/x
  3. Step 3: Cross multiply
    115,338.63x = 172,946.28 × 59,155.82
  4. Step 4: Simplify right side
    115,338.63x = 10,230,778,144.62
  5. Step 5: Solve for x
    x = 10,230,778,144.62/115,338.63
  6. Step 6: Final answer
    x = 88,702.10

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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.