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Finding the Fourth Proportional to 222,158.52, 306,259.86 and 158,385.60

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Solution

The fourth proportional to 222,158.52, 306,259.86 and 158,385.60 is: 218,344.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,158.52 : 306,259.86 = 158,385.60 : x
  2. Step 2: Convert to fraction form
    222,158.52/306,259.86 = 158,385.60/x
  3. Step 3: Cross multiply
    222,158.52x = 306,259.86 × 158,385.60
  4. Step 4: Simplify right side
    222,158.52x = 48,507,151,682.02
  5. Step 5: Solve for x
    x = 48,507,151,682.02/222,158.52
  6. Step 6: Final answer
    x = 218,344.77

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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.