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Finding the Fourth Proportional to 130,469.51, 195,791.88 and 47,363.51

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Solution

The fourth proportional to 130,469.51, 195,791.88 and 47,363.51 is: 71,077.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,469.51 : 195,791.88 = 47,363.51 : x
  2. Step 2: Convert to fraction form
    130,469.51/195,791.88 = 47,363.51/x
  3. Step 3: Cross multiply
    130,469.51x = 195,791.88 × 47,363.51
  4. Step 4: Simplify right side
    130,469.51x = 9,273,390,666.30
  5. Step 5: Solve for x
    x = 9,273,390,666.30/130,469.51
  6. Step 6: Final answer
    x = 71,077.07

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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.