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Finding the Fourth Proportional to 79,752.16, 110,058.20 and 43,942.06

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Solution

The fourth proportional to 79,752.16, 110,058.20 and 43,942.06 is: 60,640.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,752.16 : 110,058.20 = 43,942.06 : x
  2. Step 2: Convert to fraction form
    79,752.16/110,058.20 = 43,942.06/x
  3. Step 3: Cross multiply
    79,752.16x = 110,058.20 × 43,942.06
  4. Step 4: Simplify right side
    79,752.16x = 4,836,184,027.89
  5. Step 5: Solve for x
    x = 4,836,184,027.89/79,752.16
  6. Step 6: Final answer
    x = 60,640.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.