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Finding the Fourth Proportional to 119,289.93, 164,620.29 and 65,575.29

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Solution

The fourth proportional to 119,289.93, 164,620.29 and 65,575.29 is: 90,494.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,289.93 : 164,620.29 = 65,575.29 : x
  2. Step 2: Convert to fraction form
    119,289.93/164,620.29 = 65,575.29/x
  3. Step 3: Cross multiply
    119,289.93x = 164,620.29 × 65,575.29
  4. Step 4: Simplify right side
    119,289.93x = 10,795,023,256.63
  5. Step 5: Solve for x
    x = 10,795,023,256.63/119,289.93
  6. Step 6: Final answer
    x = 90,494.00

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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.