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Finding the Fourth Proportional to 147,397.50, 221,097.69 and 36,589.50

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Solution

The fourth proportional to 147,397.50, 221,097.69 and 36,589.50 is: 54,884.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,397.50 : 221,097.69 = 36,589.50 : x
  2. Step 2: Convert to fraction form
    147,397.50/221,097.69 = 36,589.50/x
  3. Step 3: Cross multiply
    147,397.50x = 221,097.69 × 36,589.50
  4. Step 4: Simplify right side
    147,397.50x = 8,089,853,928.26
  5. Step 5: Solve for x
    x = 8,089,853,928.26/147,397.50
  6. Step 6: Final answer
    x = 54,884.61

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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.