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Finding the Fourth Proportional to 224,849.55, 310,296.82 and 122,881.32

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Solution

The fourth proportional to 224,849.55, 310,296.82 and 122,881.32 is: 169,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,849.55 : 310,296.82 = 122,881.32 : x
  2. Step 2: Convert to fraction form
    224,849.55/310,296.82 = 122,881.32/x
  3. Step 3: Cross multiply
    224,849.55x = 310,296.82 × 122,881.32
  4. Step 4: Simplify right side
    224,849.55x = 38,129,680,667.51
  5. Step 5: Solve for x
    x = 38,129,680,667.51/224,849.55
  6. Step 6: Final answer
    x = 169,578.64

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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.