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Finding the Fourth Proportional to 362,108.60, 543,160.20 and 109,388.60

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Solution

The fourth proportional to 362,108.60, 543,160.20 and 109,388.60 is: 164,082.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,108.60 : 543,160.20 = 109,388.60 : x
  2. Step 2: Convert to fraction form
    362,108.60/543,160.20 = 109,388.60/x
  3. Step 3: Cross multiply
    362,108.60x = 543,160.20 × 109,388.60
  4. Step 4: Simplify right side
    362,108.60x = 59,415,533,853.72
  5. Step 5: Solve for x
    x = 59,415,533,853.72/362,108.60
  6. Step 6: Final answer
    x = 164,082.08

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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.