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Finding the Fourth Proportional to 101,807.44, 140,489.54 and 56,484.94

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Solution

The fourth proportional to 101,807.44, 140,489.54 and 56,484.94 is: 77,946.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,807.44 : 140,489.54 = 56,484.94 : x
  2. Step 2: Convert to fraction form
    101,807.44/140,489.54 = 56,484.94/x
  3. Step 3: Cross multiply
    101,807.44x = 140,489.54 × 56,484.94
  4. Step 4: Simplify right side
    101,807.44x = 7,935,543,237.53
  5. Step 5: Solve for x
    x = 7,935,543,237.53/101,807.44
  6. Step 6: Final answer
    x = 77,946.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.