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Finding the Fourth Proportional to 153,617.34, 230,426 and 48,446.94

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Solution

The fourth proportional to 153,617.34, 230,426 and 48,446.94 is: 72,670.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,617.34 : 230,426 = 48,446.94 : x
  2. Step 2: Convert to fraction form
    153,617.34/230,426 = 48,446.94/x
  3. Step 3: Cross multiply
    153,617.34x = 230,426 × 48,446.94
  4. Step 4: Simplify right side
    153,617.34x = 11,163,434,596.44
  5. Step 5: Solve for x
    x = 11,163,434,596.44/153,617.34
  6. Step 6: Final answer
    x = 72,670.41

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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.