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Finding the Fourth Proportional to 104,104.96, 143,664.82 and 56,358.28

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Solution

The fourth proportional to 104,104.96, 143,664.82 and 56,358.28 is: 77,774.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,104.96 : 143,664.82 = 56,358.28 : x
  2. Step 2: Convert to fraction form
    104,104.96/143,664.82 = 56,358.28/x
  3. Step 3: Cross multiply
    104,104.96x = 143,664.82 × 56,358.28
  4. Step 4: Simplify right side
    104,104.96x = 8,096,702,151.71
  5. Step 5: Solve for x
    x = 8,096,702,151.71/104,104.96
  6. Step 6: Final answer
    x = 77,774.41

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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.