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Finding the Fourth Proportional to 104,601.96, 144,290.52 and 64,287.12

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Solution

The fourth proportional to 104,601.96, 144,290.52 and 64,287.12 is: 88,679.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,601.96 : 144,290.52 = 64,287.12 : x
  2. Step 2: Convert to fraction form
    104,601.96/144,290.52 = 64,287.12/x
  3. Step 3: Cross multiply
    104,601.96x = 144,290.52 × 64,287.12
  4. Step 4: Simplify right side
    104,601.96x = 9,276,021,974.10
  5. Step 5: Solve for x
    x = 9,276,021,974.10/104,601.96
  6. Step 6: Final answer
    x = 88,679.24

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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.