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Finding the Fourth Proportional to 166,548, 229,839.94 and 91,096.50

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Solution

The fourth proportional to 166,548, 229,839.94 and 91,096.50 is: 125,715.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,548 : 229,839.94 = 91,096.50 : x
  2. Step 2: Convert to fraction form
    166,548/229,839.94 = 91,096.50/x
  3. Step 3: Cross multiply
    166,548x = 229,839.94 × 91,096.50
  4. Step 4: Simplify right side
    166,548x = 20,937,614,094.21
  5. Step 5: Solve for x
    x = 20,937,614,094.21/166,548
  6. Step 6: Final answer
    x = 125,715.19

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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.