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Finding the Fourth Proportional to 67,811.70, 101,717.55 and 64,010.10

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Solution

The fourth proportional to 67,811.70, 101,717.55 and 64,010.10 is: 96,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,811.70 : 101,717.55 = 64,010.10 : x
  2. Step 2: Convert to fraction form
    67,811.70/101,717.55 = 64,010.10/x
  3. Step 3: Cross multiply
    67,811.70x = 101,717.55 × 64,010.10
  4. Step 4: Simplify right side
    67,811.70x = 6,510,950,547.26
  5. Step 5: Solve for x
    x = 6,510,950,547.26/67,811.70
  6. Step 6: Final answer
    x = 96,015.15

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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.