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Finding the Fourth Proportional to 107,461.27, 148,253.25 and 64,945.99

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Solution

The fourth proportional to 107,461.27, 148,253.25 and 64,945.99 is: 89,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,461.27 : 148,253.25 = 64,945.99 : x
  2. Step 2: Convert to fraction form
    107,461.27/148,253.25 = 64,945.99/x
  3. Step 3: Cross multiply
    107,461.27x = 148,253.25 × 64,945.99
  4. Step 4: Simplify right side
    107,461.27x = 9,628,454,091.97
  5. Step 5: Solve for x
    x = 9,628,454,091.97/107,461.27
  6. Step 6: Final answer
    x = 89,599.30

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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.