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Finding the Fourth Proportional to 222,596.79, 307,172.70 and 125,802.60

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Solution

The fourth proportional to 222,596.79, 307,172.70 and 125,802.60 is: 173,601.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,596.79 : 307,172.70 = 125,802.60 : x
  2. Step 2: Convert to fraction form
    222,596.79/307,172.70 = 125,802.60/x
  3. Step 3: Cross multiply
    222,596.79x = 307,172.70 × 125,802.60
  4. Step 4: Simplify right side
    222,596.79x = 38,643,124,309.02
  5. Step 5: Solve for x
    x = 38,643,124,309.02/222,596.79
  6. Step 6: Final answer
    x = 173,601.44

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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.