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Finding the Fourth Proportional to 74,188.96, 102,324.92 and 51,527.98

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Solution

The fourth proportional to 74,188.96, 102,324.92 and 51,527.98 is: 71,069.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,188.96 : 102,324.92 = 51,527.98 : x
  2. Step 2: Convert to fraction form
    74,188.96/102,324.92 = 51,527.98/x
  3. Step 3: Cross multiply
    74,188.96x = 102,324.92 × 51,527.98
  4. Step 4: Simplify right side
    74,188.96x = 5,272,596,431.26
  5. Step 5: Solve for x
    x = 5,272,596,431.26/74,188.96
  6. Step 6: Final answer
    x = 71,069.83

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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.