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Finding the Fourth Proportional to 147,047.52, 220,447.92 and 122,017.44

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Solution

The fourth proportional to 147,047.52, 220,447.92 and 122,017.44 is: 182,923.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,047.52 : 220,447.92 = 122,017.44 : x
  2. Step 2: Convert to fraction form
    147,047.52/220,447.92 = 122,017.44/x
  3. Step 3: Cross multiply
    147,047.52x = 220,447.92 × 122,017.44
  4. Step 4: Simplify right side
    147,047.52x = 26,898,490,851.72
  5. Step 5: Solve for x
    x = 26,898,490,851.72/147,047.52
  6. Step 6: Final answer
    x = 182,923.80

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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.