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Finding the Fourth Proportional to 118,143.60, 177,215.01 and 29,397.09

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Solution

The fourth proportional to 118,143.60, 177,215.01 and 29,397.09 is: 44,095.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,143.60 : 177,215.01 = 29,397.09 : x
  2. Step 2: Convert to fraction form
    118,143.60/177,215.01 = 29,397.09/x
  3. Step 3: Cross multiply
    118,143.60x = 177,215.01 × 29,397.09
  4. Step 4: Simplify right side
    118,143.60x = 5,209,605,598.32
  5. Step 5: Solve for x
    x = 5,209,605,598.32/118,143.60
  6. Step 6: Final answer
    x = 44,095.54

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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.