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Finding the Fourth Proportional to 109,395.09, 150,965.21 and 59,094.09

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Solution

The fourth proportional to 109,395.09, 150,965.21 and 59,094.09 is: 81,549.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,395.09 : 150,965.21 = 59,094.09 : x
  2. Step 2: Convert to fraction form
    109,395.09/150,965.21 = 59,094.09/x
  3. Step 3: Cross multiply
    109,395.09x = 150,965.21 × 59,094.09
  4. Step 4: Simplify right side
    109,395.09x = 8,921,151,854.34
  5. Step 5: Solve for x
    x = 8,921,151,854.34/109,395.09
  6. Step 6: Final answer
    x = 81,549.84

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1.5x scale

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.