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Finding the Fourth Proportional to 220,502.63, 330,337.73 and 130,276.12

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Solution

The fourth proportional to 220,502.63, 330,337.73 and 130,276.12 is: 195,168.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,502.63 : 330,337.73 = 130,276.12 : x
  2. Step 2: Convert to fraction form
    220,502.63/330,337.73 = 130,276.12/x
  3. Step 3: Cross multiply
    220,502.63x = 330,337.73 × 130,276.12
  4. Step 4: Simplify right side
    220,502.63x = 43,035,116,102.32
  5. Step 5: Solve for x
    x = 43,035,116,102.32/220,502.63
  6. Step 6: Final answer
    x = 195,168.27

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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.