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Finding the Fourth Proportional to 186,133.50, 279,292.50 and 73,811.25

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Solution

The fourth proportional to 186,133.50, 279,292.50 and 73,811.25 is: 110,753.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,133.50 : 279,292.50 = 73,811.25 : x
  2. Step 2: Convert to fraction form
    186,133.50/279,292.50 = 73,811.25/x
  3. Step 3: Cross multiply
    186,133.50x = 279,292.50 × 73,811.25
  4. Step 4: Simplify right side
    186,133.50x = 20,614,928,540.63
  5. Step 5: Solve for x
    x = 20,614,928,540.63/186,133.50
  6. Step 6: Final answer
    x = 110,753.46

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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.