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Finding the Fourth Proportional to 76,099.85, 114,175.98 and 34,008.99

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Solution

The fourth proportional to 76,099.85, 114,175.98 and 34,008.99 is: 51,025.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,099.85 : 114,175.98 = 34,008.99 : x
  2. Step 2: Convert to fraction form
    76,099.85/114,175.98 = 34,008.99/x
  3. Step 3: Cross multiply
    76,099.85x = 114,175.98 × 34,008.99
  4. Step 4: Simplify right side
    76,099.85x = 3,883,009,655.02
  5. Step 5: Solve for x
    x = 3,883,009,655.02/76,099.85
  6. Step 6: Final answer
    x = 51,025.19

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1.5x scale

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.