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Finding the Fourth Proportional to 343,187.56, 514,792.17 and 118,560.79

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Solution

The fourth proportional to 343,187.56, 514,792.17 and 118,560.79 is: 177,844.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,187.56 : 514,792.17 = 118,560.79 : x
  2. Step 2: Convert to fraction form
    343,187.56/514,792.17 = 118,560.79/x
  3. Step 3: Cross multiply
    343,187.56x = 514,792.17 × 118,560.79
  4. Step 4: Simplify right side
    343,187.56x = 61,034,165,074.03
  5. Step 5: Solve for x
    x = 61,034,165,074.03/343,187.56
  6. Step 6: Final answer
    x = 177,844.92

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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.