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Finding the Fourth Proportional to 536,095.20, 804,085.20 and 142,111.20

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Solution

The fourth proportional to 536,095.20, 804,085.20 and 142,111.20 is: 213,151.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,095.20 : 804,085.20 = 142,111.20 : x
  2. Step 2: Convert to fraction form
    536,095.20/804,085.20 = 142,111.20/x
  3. Step 3: Cross multiply
    536,095.20x = 804,085.20 × 142,111.20
  4. Step 4: Simplify right side
    536,095.20x = 114,269,512,674.24
  5. Step 5: Solve for x
    x = 114,269,512,674.24/536,095.20
  6. Step 6: Final answer
    x = 213,151.53

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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.