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Finding the Fourth Proportional to 101,466.98, 140,024.60 and 56,146.87

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Solution

The fourth proportional to 101,466.98, 140,024.60 and 56,146.87 is: 77,482.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,466.98 : 140,024.60 = 56,146.87 : x
  2. Step 2: Convert to fraction form
    101,466.98/140,024.60 = 56,146.87/x
  3. Step 3: Cross multiply
    101,466.98x = 140,024.60 × 56,146.87
  4. Step 4: Simplify right side
    101,466.98x = 7,861,942,032.14
  5. Step 5: Solve for x
    x = 7,861,942,032.14/101,466.98
  6. Step 6: Final answer
    x = 77,482.76

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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.