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Finding the Fourth Proportional to 115,792.56, 173,719.08 and 36,907.20

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Solution

The fourth proportional to 115,792.56, 173,719.08 and 36,907.20 is: 55,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,792.56 : 173,719.08 = 36,907.20 : x
  2. Step 2: Convert to fraction form
    115,792.56/173,719.08 = 36,907.20/x
  3. Step 3: Cross multiply
    115,792.56x = 173,719.08 × 36,907.20
  4. Step 4: Simplify right side
    115,792.56x = 6,411,484,829.38
  5. Step 5: Solve for x
    x = 6,411,484,829.38/115,792.56
  6. Step 6: Final answer
    x = 55,370.44

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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.