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Finding the Fourth Proportional to 207,059.34, 310,654.65 and 73,936.74

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Solution

The fourth proportional to 207,059.34, 310,654.65 and 73,936.74 is: 110,928.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,059.34 : 310,654.65 = 73,936.74 : x
  2. Step 2: Convert to fraction form
    207,059.34/310,654.65 = 73,936.74/x
  3. Step 3: Cross multiply
    207,059.34x = 310,654.65 × 73,936.74
  4. Step 4: Simplify right side
    207,059.34x = 22,968,792,086.84
  5. Step 5: Solve for x
    x = 22,968,792,086.84/207,059.34
  6. Step 6: Final answer
    x = 110,928.55

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1.5x scale

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.