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Finding the Fourth Proportional to 64,886.42, 97,333.11 and 61,336.60

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Solution

The fourth proportional to 64,886.42, 97,333.11 and 61,336.60 is: 92,008.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,886.42 : 97,333.11 = 61,336.60 : x
  2. Step 2: Convert to fraction form
    64,886.42/97,333.11 = 61,336.60/x
  3. Step 3: Cross multiply
    64,886.42x = 97,333.11 × 61,336.60
  4. Step 4: Simplify right side
    64,886.42x = 5,970,081,791.49
  5. Step 5: Solve for x
    x = 5,970,081,791.49/64,886.42
  6. Step 6: Final answer
    x = 92,008.18

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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.