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Finding the Fourth Proportional to 145,300.64, 217,945.03 and 50,552.51

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Solution

The fourth proportional to 145,300.64, 217,945.03 and 50,552.51 is: 75,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,300.64 : 217,945.03 = 50,552.51 : x
  2. Step 2: Convert to fraction form
    145,300.64/217,945.03 = 50,552.51/x
  3. Step 3: Cross multiply
    145,300.64x = 217,945.03 × 50,552.51
  4. Step 4: Simplify right side
    145,300.64x = 11,017,667,187.20
  5. Step 5: Solve for x
    x = 11,017,667,187.20/145,300.64
  6. Step 6: Final answer
    x = 75,826.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.