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Finding the Fourth Proportional to 147,200.72, 220,802.52 and 36,392.72

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Solution

The fourth proportional to 147,200.72, 220,802.52 and 36,392.72 is: 54,589.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,200.72 : 220,802.52 = 36,392.72 : x
  2. Step 2: Convert to fraction form
    147,200.72/220,802.52 = 36,392.72/x
  3. Step 3: Cross multiply
    147,200.72x = 220,802.52 × 36,392.72
  4. Step 4: Simplify right side
    147,200.72x = 8,035,604,285.65
  5. Step 5: Solve for x
    x = 8,035,604,285.65/147,200.72
  6. Step 6: Final answer
    x = 54,589.44

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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.