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Finding the Fourth Proportional to 220,048.98, 303,672.42 and 134,012

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Solution

The fourth proportional to 220,048.98, 303,672.42 and 134,012 is: 184,939.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,048.98 : 303,672.42 = 134,012 : x
  2. Step 2: Convert to fraction form
    220,048.98/303,672.42 = 134,012/x
  3. Step 3: Cross multiply
    220,048.98x = 303,672.42 × 134,012
  4. Step 4: Simplify right side
    220,048.98x = 40,695,748,349.04
  5. Step 5: Solve for x
    x = 40,695,748,349.04/220,048.98
  6. Step 6: Final answer
    x = 184,939.50

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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.