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Finding the Fourth Proportional to 60,262, 90,424.54 and 43,758.34

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Solution

The fourth proportional to 60,262, 90,424.54 and 43,758.34 is: 65,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,262 : 90,424.54 = 43,758.34 : x
  2. Step 2: Convert to fraction form
    60,262/90,424.54 = 43,758.34/x
  3. Step 3: Cross multiply
    60,262x = 90,424.54 × 43,758.34
  4. Step 4: Simplify right side
    60,262x = 3,956,827,765.66
  5. Step 5: Solve for x
    x = 3,956,827,765.66/60,262
  6. Step 6: Final answer
    x = 65,660.41

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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.