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Finding the Fourth Proportional to 224,682.61, 310,060.42 and 122,708.10

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Solution

The fourth proportional to 224,682.61, 310,060.42 and 122,708.10 is: 169,336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,682.61 : 310,060.42 = 122,708.10 : x
  2. Step 2: Convert to fraction form
    224,682.61/310,060.42 = 122,708.10/x
  3. Step 3: Cross multiply
    224,682.61x = 310,060.42 × 122,708.10
  4. Step 4: Simplify right side
    224,682.61x = 38,046,924,014.06
  5. Step 5: Solve for x
    x = 38,046,924,014.06/224,682.61
  6. Step 6: Final answer
    x = 169,336.31

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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.