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Finding the Fourth Proportional to 224,611.01, 309,990.37 and 127,838.39

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Solution

The fourth proportional to 224,611.01, 309,990.37 and 127,838.39 is: 176,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,611.01 : 309,990.37 = 127,838.39 : x
  2. Step 2: Convert to fraction form
    224,611.01/309,990.37 = 127,838.39/x
  3. Step 3: Cross multiply
    224,611.01x = 309,990.37 × 127,838.39
  4. Step 4: Simplify right side
    224,611.01x = 39,628,669,816.30
  5. Step 5: Solve for x
    x = 39,628,669,816.30/224,611.01
  6. Step 6: Final answer
    x = 176,432.45

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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.