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Finding the Fourth Proportional to 104,536.60, 144,258.60 and 56,789.44

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Solution

The fourth proportional to 104,536.60, 144,258.60 and 56,789.44 is: 78,368.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,536.60 : 144,258.60 = 56,789.44 : x
  2. Step 2: Convert to fraction form
    104,536.60/144,258.60 = 56,789.44/x
  3. Step 3: Cross multiply
    104,536.60x = 144,258.60 × 56,789.44
  4. Step 4: Simplify right side
    104,536.60x = 8,192,365,109.18
  5. Step 5: Solve for x
    x = 8,192,365,109.18/104,536.60
  6. Step 6: Final answer
    x = 78,368.39

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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.