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Finding the Fourth Proportional to 110,775.50, 152,817.84 and 65,423.19

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Solution

The fourth proportional to 110,775.50, 152,817.84 and 65,423.19 is: 90,253.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,775.50 : 152,817.84 = 65,423.19 : x
  2. Step 2: Convert to fraction form
    110,775.50/152,817.84 = 65,423.19/x
  3. Step 3: Cross multiply
    110,775.50x = 152,817.84 × 65,423.19
  4. Step 4: Simplify right side
    110,775.50x = 9,997,831,154.78
  5. Step 5: Solve for x
    x = 9,997,831,154.78/110,775.50
  6. Step 6: Final answer
    x = 90,253.09

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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.