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Finding the Fourth Proportional to 164,479.04, 226,981.08 and 89,027.60

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Solution

The fourth proportional to 164,479.04, 226,981.08 and 89,027.60 is: 122,858.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,479.04 : 226,981.08 = 89,027.60 : x
  2. Step 2: Convert to fraction form
    164,479.04/226,981.08 = 89,027.60/x
  3. Step 3: Cross multiply
    164,479.04x = 226,981.08 × 89,027.60
  4. Step 4: Simplify right side
    164,479.04x = 20,207,580,797.81
  5. Step 5: Solve for x
    x = 20,207,580,797.81/164,479.04
  6. Step 6: Final answer
    x = 122,858.09

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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.