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Finding the Fourth Proportional to 147,055.13, 220,582.71 and 36,247.13

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Solution

The fourth proportional to 147,055.13, 220,582.71 and 36,247.13 is: 54,370.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,055.13 : 220,582.71 = 36,247.13 : x
  2. Step 2: Convert to fraction form
    147,055.13/220,582.71 = 36,247.13/x
  3. Step 3: Cross multiply
    147,055.13x = 220,582.71 × 36,247.13
  4. Step 4: Simplify right side
    147,055.13x = 7,995,489,062.21
  5. Step 5: Solve for x
    x = 7,995,489,062.21/147,055.13
  6. Step 6: Final answer
    x = 54,370.69

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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.