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Finding the Fourth Proportional to 151,715.80, 227,573.70 and 56,945.80

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Solution

The fourth proportional to 151,715.80, 227,573.70 and 56,945.80 is: 85,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,715.80 : 227,573.70 = 56,945.80 : x
  2. Step 2: Convert to fraction form
    151,715.80/227,573.70 = 56,945.80/x
  3. Step 3: Cross multiply
    151,715.80x = 227,573.70 × 56,945.80
  4. Step 4: Simplify right side
    151,715.80x = 12,959,366,405.46
  5. Step 5: Solve for x
    x = 12,959,366,405.46/151,715.80
  6. Step 6: Final answer
    x = 85,418.70

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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.