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Finding the Fourth Proportional to 342,486.02, 513,718.43 and 162,700.86

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Solution

The fourth proportional to 342,486.02, 513,718.43 and 162,700.86 is: 244,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,486.02 : 513,718.43 = 162,700.86 : x
  2. Step 2: Convert to fraction form
    342,486.02/513,718.43 = 162,700.86/x
  3. Step 3: Cross multiply
    342,486.02x = 513,718.43 × 162,700.86
  4. Step 4: Simplify right side
    342,486.02x = 83,582,429,545.35
  5. Step 5: Solve for x
    x = 83,582,429,545.35/342,486.02
  6. Step 6: Final answer
    x = 244,046.26

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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.