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Finding the Fourth Proportional to 192,549.76, 265,724.72 and 107,666.60

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Solution

The fourth proportional to 192,549.76, 265,724.72 and 107,666.60 is: 148,583.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,549.76 : 265,724.72 = 107,666.60 : x
  2. Step 2: Convert to fraction form
    192,549.76/265,724.72 = 107,666.60/x
  3. Step 3: Cross multiply
    192,549.76x = 265,724.72 × 107,666.60
  4. Step 4: Simplify right side
    192,549.76x = 28,609,677,138.35
  5. Step 5: Solve for x
    x = 28,609,677,138.35/192,549.76
  6. Step 6: Final answer
    x = 148,583.29

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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.