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Finding the Fourth Proportional to 122,062.56, 183,170.88 and 51,941.76

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Solution

The fourth proportional to 122,062.56, 183,170.88 and 51,941.76 is: 77,945.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,062.56 : 183,170.88 = 51,941.76 : x
  2. Step 2: Convert to fraction form
    122,062.56/183,170.88 = 51,941.76/x
  3. Step 3: Cross multiply
    122,062.56x = 183,170.88 × 51,941.76
  4. Step 4: Simplify right side
    122,062.56x = 9,514,217,887.95
  5. Step 5: Solve for x
    x = 9,514,217,887.95/122,062.56
  6. Step 6: Final answer
    x = 77,945.42

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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.