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Finding the Fourth Proportional to 535,367.16, 803,169.54 and 161,363.16

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Solution

The fourth proportional to 535,367.16, 803,169.54 and 161,363.16 is: 242,080.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,367.16 : 803,169.54 = 161,363.16 : x
  2. Step 2: Convert to fraction form
    535,367.16/803,169.54 = 161,363.16/x
  3. Step 3: Cross multiply
    535,367.16x = 803,169.54 × 161,363.16
  4. Step 4: Simplify right side
    535,367.16x = 129,601,974,990.15
  5. Step 5: Solve for x
    x = 129,601,974,990.15/535,367.16
  6. Step 6: Final answer
    x = 242,080.55

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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.