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Finding the Fourth Proportional to 100,410.08, 150,522.96 and 34,700

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Solution

The fourth proportional to 100,410.08, 150,522.96 and 34,700 is: 52,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,410.08 : 150,522.96 = 34,700 : x
  2. Step 2: Convert to fraction form
    100,410.08/150,522.96 = 34,700/x
  3. Step 3: Cross multiply
    100,410.08x = 150,522.96 × 34,700
  4. Step 4: Simplify right side
    100,410.08x = 5,223,146,712
  5. Step 5: Solve for x
    x = 5,223,146,712/100,410.08
  6. Step 6: Final answer
    x = 52,018.15

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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.