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Finding the Fourth Proportional to 158,415.56, 218,613.44 and 94,768.32

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Solution

The fourth proportional to 158,415.56, 218,613.44 and 94,768.32 is: 130,780.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,415.56 : 218,613.44 = 94,768.32 : x
  2. Step 2: Convert to fraction form
    158,415.56/218,613.44 = 94,768.32/x
  3. Step 3: Cross multiply
    158,415.56x = 218,613.44 × 94,768.32
  4. Step 4: Simplify right side
    158,415.56x = 20,717,628,438.22
  5. Step 5: Solve for x
    x = 20,717,628,438.22/158,415.56
  6. Step 6: Final answer
    x = 130,780.26

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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.