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Finding the Fourth Proportional to 109,998.71, 164,998.06 and 57,395.89

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Solution

The fourth proportional to 109,998.71, 164,998.06 and 57,395.89 is: 86,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,998.71 : 164,998.06 = 57,395.89 : x
  2. Step 2: Convert to fraction form
    109,998.71/164,998.06 = 57,395.89/x
  3. Step 3: Cross multiply
    109,998.71x = 164,998.06 × 57,395.89
  4. Step 4: Simplify right side
    109,998.71x = 9,470,209,390.00
  5. Step 5: Solve for x
    x = 9,470,209,390.00/109,998.71
  6. Step 6: Final answer
    x = 86,093.83

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1.5x scale

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.