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Finding the Fourth Proportional to 224,374.62, 309,637.86 and 122,402.25

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Solution

The fourth proportional to 224,374.62, 309,637.86 and 122,402.25 is: 168,915.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,374.62 : 309,637.86 = 122,402.25 : x
  2. Step 2: Convert to fraction form
    224,374.62/309,637.86 = 122,402.25/x
  3. Step 3: Cross multiply
    224,374.62x = 309,637.86 × 122,402.25
  4. Step 4: Simplify right side
    224,374.62x = 37,900,370,749.19
  5. Step 5: Solve for x
    x = 37,900,370,749.19/224,374.62
  6. Step 6: Final answer
    x = 168,915.59

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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.