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Finding the Fourth Proportional to 101,466.48, 140,023.91 and 56,146.37

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Solution

The fourth proportional to 101,466.48, 140,023.91 and 56,146.37 is: 77,482.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,466.48 : 140,023.91 = 56,146.37 : x
  2. Step 2: Convert to fraction form
    101,466.48/140,023.91 = 56,146.37/x
  3. Step 3: Cross multiply
    101,466.48x = 140,023.91 × 56,146.37
  4. Step 4: Simplify right side
    101,466.48x = 7,861,833,278.86
  5. Step 5: Solve for x
    x = 7,861,833,278.86/101,466.48
  6. Step 6: Final answer
    x = 77,482.07

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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.