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Finding the Fourth Proportional to 116,737.94, 161,096.65 and 65,750.77

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Solution

The fourth proportional to 116,737.94, 161,096.65 and 65,750.77 is: 90,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,737.94 : 161,096.65 = 65,750.77 : x
  2. Step 2: Convert to fraction form
    116,737.94/161,096.65 = 65,750.77/x
  3. Step 3: Cross multiply
    116,737.94x = 161,096.65 × 65,750.77
  4. Step 4: Simplify right side
    116,737.94x = 10,592,228,818.91
  5. Step 5: Solve for x
    x = 10,592,228,818.91/116,737.94
  6. Step 6: Final answer
    x = 90,735.10

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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.