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Finding the Fourth Proportional to 107,362.94, 148,174.52 and 64,921.77

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Solution

The fourth proportional to 107,362.94, 148,174.52 and 64,921.77 is: 89,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,362.94 : 148,174.52 = 64,921.77 : x
  2. Step 2: Convert to fraction form
    107,362.94/148,174.52 = 64,921.77/x
  3. Step 3: Cross multiply
    107,362.94x = 148,174.52 × 64,921.77
  4. Step 4: Simplify right side
    107,362.94x = 9,619,752,107.30
  5. Step 5: Solve for x
    x = 9,619,752,107.30/107,362.94
  6. Step 6: Final answer
    x = 89,600.30

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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.