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Finding the Fourth Proportional to 104,092.92, 143,648.94 and 56,346.39

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Solution

The fourth proportional to 104,092.92, 143,648.94 and 56,346.39 is: 77,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,092.92 : 143,648.94 = 56,346.39 : x
  2. Step 2: Convert to fraction form
    104,092.92/143,648.94 = 56,346.39/x
  3. Step 3: Cross multiply
    104,092.92x = 143,648.94 × 56,346.39
  4. Step 4: Simplify right side
    104,092.92x = 8,094,099,196.33
  5. Step 5: Solve for x
    x = 8,094,099,196.33/104,092.92
  6. Step 6: Final answer
    x = 77,758.40

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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.