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Finding the Fourth Proportional to 101,466.81, 140,034.56 and 58,447.71

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Solution

The fourth proportional to 101,466.81, 140,034.56 and 58,447.71 is: 80,663.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,466.81 : 140,034.56 = 58,447.71 : x
  2. Step 2: Convert to fraction form
    101,466.81/140,034.56 = 58,447.71/x
  3. Step 3: Cross multiply
    101,466.81x = 140,034.56 × 58,447.71
  4. Step 4: Simplify right side
    101,466.81x = 8,184,699,060.62
  5. Step 5: Solve for x
    x = 8,184,699,060.62/101,466.81
  6. Step 6: Final answer
    x = 80,663.81

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1.5x scale

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.