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Finding the Fourth Proportional to 201,740.06, 302,655.45 and 61,512.86

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Solution

The fourth proportional to 201,740.06, 302,655.45 and 61,512.86 is: 92,283.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,740.06 : 302,655.45 = 61,512.86 : x
  2. Step 2: Convert to fraction form
    201,740.06/302,655.45 = 61,512.86/x
  3. Step 3: Cross multiply
    201,740.06x = 302,655.45 × 61,512.86
  4. Step 4: Simplify right side
    201,740.06x = 18,617,202,324.09
  5. Step 5: Solve for x
    x = 18,617,202,324.09/201,740.06
  6. Step 6: Final answer
    x = 92,283.12

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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.