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Finding the Fourth Proportional to 163,009.88, 244,486.81 and 43,068.12

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Solution

The fourth proportional to 163,009.88, 244,486.81 and 43,068.12 is: 64,594.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,009.88 : 244,486.81 = 43,068.12 : x
  2. Step 2: Convert to fraction form
    163,009.88/244,486.81 = 43,068.12/x
  3. Step 3: Cross multiply
    163,009.88x = 244,486.81 × 43,068.12
  4. Step 4: Simplify right side
    163,009.88x = 10,529,587,541.49
  5. Step 5: Solve for x
    x = 10,529,587,541.49/163,009.88
  6. Step 6: Final answer
    x = 64,594.78

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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.