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Finding the Fourth Proportional to 104,104.42, 143,664.57 and 56,357.77

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Solution

The fourth proportional to 104,104.42, 143,664.57 and 56,357.77 is: 77,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,104.42 : 143,664.57 = 56,357.77 : x
  2. Step 2: Convert to fraction form
    104,104.42/143,664.57 = 56,357.77/x
  3. Step 3: Cross multiply
    104,104.42x = 143,664.57 × 56,357.77
  4. Step 4: Simplify right side
    104,104.42x = 8,096,614,793.21
  5. Step 5: Solve for x
    x = 8,096,614,793.21/104,104.42
  6. Step 6: Final answer
    x = 77,773.98

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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.