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Finding the Fourth Proportional to 153,670.60, 230,651.70 and 94,621.60

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Solution

The fourth proportional to 153,670.60, 230,651.70 and 94,621.60 is: 142,022.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,670.60 : 230,651.70 = 94,621.60 : x
  2. Step 2: Convert to fraction form
    153,670.60/230,651.70 = 94,621.60/x
  3. Step 3: Cross multiply
    153,670.60x = 230,651.70 × 94,621.60
  4. Step 4: Simplify right side
    153,670.60x = 21,824,632,896.72
  5. Step 5: Solve for x
    x = 21,824,632,896.72/153,670.60
  6. Step 6: Final answer
    x = 142,022.18

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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.