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Finding the Fourth Proportional to 164,918.94, 227,486.88 and 145,737.15

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Solution

The fourth proportional to 164,918.94, 227,486.88 and 145,737.15 is: 201,027.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,918.94 : 227,486.88 = 145,737.15 : x
  2. Step 2: Convert to fraction form
    164,918.94/227,486.88 = 145,737.15/x
  3. Step 3: Cross multiply
    164,918.94x = 227,486.88 × 145,737.15
  4. Step 4: Simplify right side
    164,918.94x = 33,153,289,553.59
  5. Step 5: Solve for x
    x = 33,153,289,553.59/164,918.94
  6. Step 6: Final answer
    x = 201,027.79

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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.