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Finding the Fourth Proportional to 262,768.73, 362,620.76 and 141,909.98

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Solution

The fourth proportional to 262,768.73, 362,620.76 and 141,909.98 is: 195,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,768.73 : 362,620.76 = 141,909.98 : x
  2. Step 2: Convert to fraction form
    262,768.73/362,620.76 = 141,909.98/x
  3. Step 3: Cross multiply
    262,768.73x = 362,620.76 × 141,909.98
  4. Step 4: Simplify right side
    262,768.73x = 51,459,502,276.53
  5. Step 5: Solve for x
    x = 51,459,502,276.53/262,768.73
  6. Step 6: Final answer
    x = 195,835.72

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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.