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Finding the Fourth Proportional to 140,805.93, 211,267.22 and 56,625.77

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Solution

The fourth proportional to 140,805.93, 211,267.22 and 56,625.77 is: 84,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,805.93 : 211,267.22 = 56,625.77 : x
  2. Step 2: Convert to fraction form
    140,805.93/211,267.22 = 56,625.77/x
  3. Step 3: Cross multiply
    140,805.93x = 211,267.22 × 56,625.77
  4. Step 4: Simplify right side
    140,805.93x = 11,963,169,008.26
  5. Step 5: Solve for x
    x = 11,963,169,008.26/140,805.93
  6. Step 6: Final answer
    x = 84,962.11

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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.