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Finding the Fourth Proportional to 104,103.94, 143,664.58 and 56,358.30

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Solution

The fourth proportional to 104,103.94, 143,664.58 and 56,358.30 is: 77,775.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,103.94 : 143,664.58 = 56,358.30 : x
  2. Step 2: Convert to fraction form
    104,103.94/143,664.58 = 56,358.30/x
  3. Step 3: Cross multiply
    104,103.94x = 143,664.58 × 56,358.30
  4. Step 4: Simplify right side
    104,103.94x = 8,096,691,499.01
  5. Step 5: Solve for x
    x = 8,096,691,499.01/104,103.94
  6. Step 6: Final answer
    x = 77,775.07

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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.