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Finding the Fourth Proportional to 104,784.32, 144,596.49 and 57,034.82

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Solution

The fourth proportional to 104,784.32, 144,596.49 and 57,034.82 is: 78,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,784.32 : 144,596.49 = 57,034.82 : x
  2. Step 2: Convert to fraction form
    104,784.32/144,596.49 = 57,034.82/x
  3. Step 3: Cross multiply
    104,784.32x = 144,596.49 × 57,034.82
  4. Step 4: Simplify right side
    104,784.32x = 8,247,034,056.80
  5. Step 5: Solve for x
    x = 8,247,034,056.80/104,784.32
  6. Step 6: Final answer
    x = 78,704.85

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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.