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Finding the Fourth Proportional to 158,723.40, 222,523.80 and 158,723.40

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Solution

The fourth proportional to 158,723.40, 222,523.80 and 158,723.40 is: 222,523.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,723.40 : 222,523.80 = 158,723.40 : x
  2. Step 2: Convert to fraction form
    158,723.40/222,523.80 = 158,723.40/x
  3. Step 3: Cross multiply
    158,723.40x = 222,523.80 × 158,723.40
  4. Step 4: Simplify right side
    158,723.40x = 35,319,734,116.92
  5. Step 5: Solve for x
    x = 35,319,734,116.92/158,723.40
  6. Step 6: Final answer
    x = 222,523.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.