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Finding the Fourth Proportional to 177,349.72, 244,842.24 and 122,980.72

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Solution

The fourth proportional to 177,349.72, 244,842.24 and 122,980.72 is: 169,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,349.72 : 244,842.24 = 122,980.72 : x
  2. Step 2: Convert to fraction form
    177,349.72/244,842.24 = 122,980.72/x
  3. Step 3: Cross multiply
    177,349.72x = 244,842.24 × 122,980.72
  4. Step 4: Simplify right side
    177,349.72x = 30,110,874,961.61
  5. Step 5: Solve for x
    x = 30,110,874,961.61/177,349.72
  6. Step 6: Final answer
    x = 169,782.48

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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.