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Finding the Fourth Proportional to 109,622, 151,279.44 and 59,322.08

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Solution

The fourth proportional to 109,622, 151,279.44 and 59,322.08 is: 81,865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,622 : 151,279.44 = 59,322.08 : x
  2. Step 2: Convert to fraction form
    109,622/151,279.44 = 59,322.08/x
  3. Step 3: Cross multiply
    109,622x = 151,279.44 × 59,322.08
  4. Step 4: Simplify right side
    109,622x = 8,974,211,042.04
  5. Step 5: Solve for x
    x = 8,974,211,042.04/109,622
  6. Step 6: Final answer
    x = 81,865.05

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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.