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Finding the Fourth Proportional to 302,062.80, 453,079.80 and 102,363.60

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Solution

The fourth proportional to 302,062.80, 453,079.80 and 102,363.60 is: 153,540.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,062.80 : 453,079.80 = 102,363.60 : x
  2. Step 2: Convert to fraction form
    302,062.80/453,079.80 = 102,363.60/x
  3. Step 3: Cross multiply
    302,062.80x = 453,079.80 × 102,363.60
  4. Step 4: Simplify right side
    302,062.80x = 46,378,879,415.28
  5. Step 5: Solve for x
    x = 46,378,879,415.28/302,062.80
  6. Step 6: Final answer
    x = 153,540.52

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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.