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Finding the Fourth Proportional to 107,235.70, 160,748.94 and 51,060.71

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Solution

The fourth proportional to 107,235.70, 160,748.94 and 51,060.71 is: 76,541.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,235.70 : 160,748.94 = 51,060.71 : x
  2. Step 2: Convert to fraction form
    107,235.70/160,748.94 = 51,060.71/x
  3. Step 3: Cross multiply
    107,235.70x = 160,748.94 × 51,060.71
  4. Step 4: Simplify right side
    107,235.70x = 8,207,955,008.15
  5. Step 5: Solve for x
    x = 8,207,955,008.15/107,235.70
  6. Step 6: Final answer
    x = 76,541.25

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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.