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Finding the Fourth Proportional to 307,040.90, 460,626.15 and 96,700.10

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Solution

The fourth proportional to 307,040.90, 460,626.15 and 96,700.10 is: 145,070.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,040.90 : 460,626.15 = 96,700.10 : x
  2. Step 2: Convert to fraction form
    307,040.90/460,626.15 = 96,700.10/x
  3. Step 3: Cross multiply
    307,040.90x = 460,626.15 × 96,700.10
  4. Step 4: Simplify right side
    307,040.90x = 44,542,594,767.62
  5. Step 5: Solve for x
    x = 44,542,594,767.62/307,040.90
  6. Step 6: Final answer
    x = 145,070.56

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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.