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Finding the Fourth Proportional to 101,614.89, 140,227.07 and 56,292.79

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Solution

The fourth proportional to 101,614.89, 140,227.07 and 56,292.79 is: 77,683.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,614.89 : 140,227.07 = 56,292.79 : x
  2. Step 2: Convert to fraction form
    101,614.89/140,227.07 = 56,292.79/x
  3. Step 3: Cross multiply
    101,614.89x = 140,227.07 × 56,292.79
  4. Step 4: Simplify right side
    101,614.89x = 7,893,772,722.36
  5. Step 5: Solve for x
    x = 7,893,772,722.36/101,614.89
  6. Step 6: Final answer
    x = 77,683.23

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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.