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Finding the Fourth Proportional to 277,068.41, 415,602.68 and 66,706.37

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Solution

The fourth proportional to 277,068.41, 415,602.68 and 66,706.37 is: 100,059.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,068.41 : 415,602.68 = 66,706.37 : x
  2. Step 2: Convert to fraction form
    277,068.41/415,602.68 = 66,706.37/x
  3. Step 3: Cross multiply
    277,068.41x = 415,602.68 × 66,706.37
  4. Step 4: Simplify right side
    277,068.41x = 27,723,346,145.07
  5. Step 5: Solve for x
    x = 27,723,346,145.07/277,068.41
  6. Step 6: Final answer
    x = 100,059.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.