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Finding the Fourth Proportional to 259,398.63, 358,136.67 and 162,734.98

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Solution

The fourth proportional to 259,398.63, 358,136.67 and 162,734.98 is: 224,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,398.63 : 358,136.67 = 162,734.98 : x
  2. Step 2: Convert to fraction form
    259,398.63/358,136.67 = 162,734.98/x
  3. Step 3: Cross multiply
    259,398.63x = 358,136.67 × 162,734.98
  4. Step 4: Simplify right side
    259,398.63x = 58,281,363,829.72
  5. Step 5: Solve for x
    x = 58,281,363,829.72/259,398.63
  6. Step 6: Final answer
    x = 224,678.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.