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Finding the Fourth Proportional to 266,953.62, 368,393.21 and 152,250.94

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Solution

The fourth proportional to 266,953.62, 368,393.21 and 152,250.94 is: 210,104.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,953.62 : 368,393.21 = 152,250.94 : x
  2. Step 2: Convert to fraction form
    266,953.62/368,393.21 = 152,250.94/x
  3. Step 3: Cross multiply
    266,953.62x = 368,393.21 × 152,250.94
  4. Step 4: Simplify right side
    266,953.62x = 56,088,213,638.71
  5. Step 5: Solve for x
    x = 56,088,213,638.71/266,953.62
  6. Step 6: Final answer
    x = 210,104.71

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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.