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Finding the Fourth Proportional to 224,644.21, 310,021.54 and 122,679.14

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Solution

The fourth proportional to 224,644.21, 310,021.54 and 122,679.14 is: 169,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,644.21 : 310,021.54 = 122,679.14 : x
  2. Step 2: Convert to fraction form
    224,644.21/310,021.54 = 122,679.14/x
  3. Step 3: Cross multiply
    224,644.21x = 310,021.54 × 122,679.14
  4. Step 4: Simplify right side
    224,644.21x = 38,033,174,051.87
  5. Step 5: Solve for x
    x = 38,033,174,051.87/224,644.21
  6. Step 6: Final answer
    x = 169,304.05

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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.