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Finding the Fourth Proportional to 136,607.01, 204,935.21 and 61,762.41

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Solution

The fourth proportional to 136,607.01, 204,935.21 and 61,762.41 is: 92,654.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,607.01 : 204,935.21 = 61,762.41 : x
  2. Step 2: Convert to fraction form
    136,607.01/204,935.21 = 61,762.41/x
  3. Step 3: Cross multiply
    136,607.01x = 204,935.21 × 61,762.41
  4. Step 4: Simplify right side
    136,607.01x = 12,657,292,154.64
  5. Step 5: Solve for x
    x = 12,657,292,154.64/136,607.01
  6. Step 6: Final answer
    x = 92,654.78

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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.