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Finding the Fourth Proportional to 101,848.76, 140,549.17 and 56,524.11

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Solution

The fourth proportional to 101,848.76, 140,549.17 and 56,524.11 is: 78,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,848.76 : 140,549.17 = 56,524.11 : x
  2. Step 2: Convert to fraction form
    101,848.76/140,549.17 = 56,524.11/x
  3. Step 3: Cross multiply
    101,848.76x = 140,549.17 × 56,524.11
  4. Step 4: Simplify right side
    101,848.76x = 7,944,416,745.49
  5. Step 5: Solve for x
    x = 7,944,416,745.49/101,848.76
  6. Step 6: Final answer
    x = 78,002.10

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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.