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Finding the Fourth Proportional to 266,893.50, 368,276.70 and 159,440.72

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Solution

The fourth proportional to 266,893.50, 368,276.70 and 159,440.72 is: 220,006.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,893.50 : 368,276.70 = 159,440.72 : x
  2. Step 2: Convert to fraction form
    266,893.50/368,276.70 = 159,440.72/x
  3. Step 3: Cross multiply
    266,893.50x = 368,276.70 × 159,440.72
  4. Step 4: Simplify right side
    266,893.50x = 58,718,302,207.22
  5. Step 5: Solve for x
    x = 58,718,302,207.22/266,893.50
  6. Step 6: Final answer
    x = 220,006.49

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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.