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Finding the Fourth Proportional to 109,937, 164,794.74 and 43,351.32

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Solution

The fourth proportional to 109,937, 164,794.74 and 43,351.32 is: 64,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,937 : 164,794.74 = 43,351.32 : x
  2. Step 2: Convert to fraction form
    109,937/164,794.74 = 43,351.32/x
  3. Step 3: Cross multiply
    109,937x = 164,794.74 × 43,351.32
  4. Step 4: Simplify right side
    109,937x = 7,144,069,508.06
  5. Step 5: Solve for x
    x = 7,144,069,508.06/109,937
  6. Step 6: Final answer
    x = 64,983.30

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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.