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Finding the Fourth Proportional to 123,953.66, 185,956.60 and 64,773.44

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Solution

The fourth proportional to 123,953.66, 185,956.60 and 64,773.44 is: 97,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,953.66 : 185,956.60 = 64,773.44 : x
  2. Step 2: Convert to fraction form
    123,953.66/185,956.60 = 64,773.44/x
  3. Step 3: Cross multiply
    123,953.66x = 185,956.60 × 64,773.44
  4. Step 4: Simplify right side
    123,953.66x = 12,045,048,672.70
  5. Step 5: Solve for x
    x = 12,045,048,672.70/123,953.66
  6. Step 6: Final answer
    x = 97,173.80

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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.