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Finding the Fourth Proportional to 259,363.62, 358,011.09 and 151,968.42

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Solution

The fourth proportional to 259,363.62, 358,011.09 and 151,968.42 is: 209,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,363.62 : 358,011.09 = 151,968.42 : x
  2. Step 2: Convert to fraction form
    259,363.62/358,011.09 = 151,968.42/x
  3. Step 3: Cross multiply
    259,363.62x = 358,011.09 × 151,968.42
  4. Step 4: Simplify right side
    259,363.62x = 54,406,379,689.78
  5. Step 5: Solve for x
    x = 54,406,379,689.78/259,363.62
  6. Step 6: Final answer
    x = 209,768.74

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1.5x scale

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.