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Finding the Fourth Proportional to 64,717.79, 97,092.85 and 51,440.87

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Solution

The fourth proportional to 64,717.79, 97,092.85 and 51,440.87 is: 77,174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,717.79 : 97,092.85 = 51,440.87 : x
  2. Step 2: Convert to fraction form
    64,717.79/97,092.85 = 51,440.87/x
  3. Step 3: Cross multiply
    64,717.79x = 97,092.85 × 51,440.87
  4. Step 4: Simplify right side
    64,717.79x = 4,994,540,674.78
  5. Step 5: Solve for x
    x = 4,994,540,674.78/64,717.79
  6. Step 6: Final answer
    x = 77,174.16

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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.