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Finding the Fourth Proportional to 140,804.93, 211,265.72 and 56,624.77

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Solution

The fourth proportional to 140,804.93, 211,265.72 and 56,624.77 is: 84,960.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,804.93 : 211,265.72 = 56,624.77 : x
  2. Step 2: Convert to fraction form
    140,804.93/211,265.72 = 56,624.77/x
  3. Step 3: Cross multiply
    140,804.93x = 211,265.72 × 56,624.77
  4. Step 4: Simplify right side
    140,804.93x = 11,962,872,997.19
  5. Step 5: Solve for x
    x = 11,962,872,997.19/140,804.93
  6. Step 6: Final answer
    x = 84,960.61

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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.