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Finding the Fourth Proportional to 201,712.06, 302,613.05 and 61,481.62

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Solution

The fourth proportional to 201,712.06, 302,613.05 and 61,481.62 is: 92,236.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,712.06 : 302,613.05 = 61,481.62 : x
  2. Step 2: Convert to fraction form
    201,712.06/302,613.05 = 61,481.62/x
  3. Step 3: Cross multiply
    201,712.06x = 302,613.05 × 61,481.62
  4. Step 4: Simplify right side
    201,712.06x = 18,605,140,547.14
  5. Step 5: Solve for x
    x = 18,605,140,547.14/201,712.06
  6. Step 6: Final answer
    x = 92,236.13

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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.