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Finding the Fourth Proportional to 118,670.26, 178,025.91 and 39,792.10

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Solution

The fourth proportional to 118,670.26, 178,025.91 and 39,792.10 is: 59,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,670.26 : 178,025.91 = 39,792.10 : x
  2. Step 2: Convert to fraction form
    118,670.26/178,025.91 = 39,792.10/x
  3. Step 3: Cross multiply
    118,670.26x = 178,025.91 × 39,792.10
  4. Step 4: Simplify right side
    118,670.26x = 7,084,024,813.31
  5. Step 5: Solve for x
    x = 7,084,024,813.31/118,670.26
  6. Step 6: Final answer
    x = 59,695.03

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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.