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Finding the Fourth Proportional to 222,594.84, 307,188.72 and 127,099.80

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Solution

The fourth proportional to 222,594.84, 307,188.72 and 127,099.80 is: 175,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,594.84 : 307,188.72 = 127,099.80 : x
  2. Step 2: Convert to fraction form
    222,594.84/307,188.72 = 127,099.80/x
  3. Step 3: Cross multiply
    222,594.84x = 307,188.72 × 127,099.80
  4. Step 4: Simplify right side
    222,594.84x = 39,043,624,874.26
  5. Step 5: Solve for x
    x = 39,043,624,874.26/222,594.84
  6. Step 6: Final answer
    x = 175,402.20

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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.