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Finding the Fourth Proportional to 248,593.73, 343,061.67 and 141,166.16

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Solution

The fourth proportional to 248,593.73, 343,061.67 and 141,166.16 is: 194,810.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,593.73 : 343,061.67 = 141,166.16 : x
  2. Step 2: Convert to fraction form
    248,593.73/343,061.67 = 141,166.16/x
  3. Step 3: Cross multiply
    248,593.73x = 343,061.67 × 141,166.16
  4. Step 4: Simplify right side
    248,593.73x = 48,428,696,881.78
  5. Step 5: Solve for x
    x = 48,428,696,881.78/248,593.73
  6. Step 6: Final answer
    x = 194,810.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.