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Finding the Fourth Proportional to 174,803.86, 241,247.84 and 106,860.61

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Solution

The fourth proportional to 174,803.86, 241,247.84 and 106,860.61 is: 147,478.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,803.86 : 241,247.84 = 106,860.61 : x
  2. Step 2: Convert to fraction form
    174,803.86/241,247.84 = 106,860.61/x
  3. Step 3: Cross multiply
    174,803.86x = 241,247.84 × 106,860.61
  4. Step 4: Simplify right side
    174,803.86x = 25,779,890,137.34
  5. Step 5: Solve for x
    x = 25,779,890,137.34/174,803.86
  6. Step 6: Final answer
    x = 147,478.96

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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.