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Finding the Fourth Proportional to 109,775.60, 164,663.34 and 26,669.60

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Solution

The fourth proportional to 109,775.60, 164,663.34 and 26,669.60 is: 40,004.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,775.60 : 164,663.34 = 26,669.60 : x
  2. Step 2: Convert to fraction form
    109,775.60/164,663.34 = 26,669.60/x
  3. Step 3: Cross multiply
    109,775.60x = 164,663.34 × 26,669.60
  4. Step 4: Simplify right side
    109,775.60x = 4,391,505,412.46
  5. Step 5: Solve for x
    x = 4,391,505,412.46/109,775.60
  6. Step 6: Final answer
    x = 40,004.39

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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.