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Finding the Fourth Proportional to 104,626, 157,008.12 and 49,226.32

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Solution

The fourth proportional to 104,626, 157,008.12 and 49,226.32 is: 73,872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,626 : 157,008.12 = 49,226.32 : x
  2. Step 2: Convert to fraction form
    104,626/157,008.12 = 49,226.32/x
  3. Step 3: Cross multiply
    104,626x = 157,008.12 × 49,226.32
  4. Step 4: Simplify right side
    104,626x = 7,728,931,957.72
  5. Step 5: Solve for x
    x = 7,728,931,957.72/104,626
  6. Step 6: Final answer
    x = 73,872.00

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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.