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Finding the Fourth Proportional to 140,777.61, 211,193.00 and 56,544.39

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Solution

The fourth proportional to 140,777.61, 211,193.00 and 56,544.39 is: 84,827.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,777.61 : 211,193.00 = 56,544.39 : x
  2. Step 2: Convert to fraction form
    140,777.61/211,193.00 = 56,544.39/x
  3. Step 3: Cross multiply
    140,777.61x = 211,193.00 × 56,544.39
  4. Step 4: Simplify right side
    140,777.61x = 11,941,779,074.55
  5. Step 5: Solve for x
    x = 11,941,779,074.55/140,777.61
  6. Step 6: Final answer
    x = 84,827.26

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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.