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Finding the Fourth Proportional to 69,532.83, 104,100.48 and 65,118.87

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Solution

The fourth proportional to 69,532.83, 104,100.48 and 65,118.87 is: 97,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,532.83 : 104,100.48 = 65,118.87 : x
  2. Step 2: Convert to fraction form
    69,532.83/104,100.48 = 65,118.87/x
  3. Step 3: Cross multiply
    69,532.83x = 104,100.48 × 65,118.87
  4. Step 4: Simplify right side
    69,532.83x = 6,778,905,624.06
  5. Step 5: Solve for x
    x = 6,778,905,624.06/69,532.83
  6. Step 6: Final answer
    x = 97,492.16

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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.