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Finding the Fourth Proportional to 75,650.66, 113,476.02 and 75,541.34

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Solution

The fourth proportional to 75,650.66, 113,476.02 and 75,541.34 is: 113,312.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,650.66 : 113,476.02 = 75,541.34 : x
  2. Step 2: Convert to fraction form
    75,650.66/113,476.02 = 75,541.34/x
  3. Step 3: Cross multiply
    75,650.66x = 113,476.02 × 75,541.34
  4. Step 4: Simplify right side
    75,650.66x = 8,572,130,608.67
  5. Step 5: Solve for x
    x = 8,572,130,608.67/75,650.66
  6. Step 6: Final answer
    x = 113,312.04

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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.