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Finding the Fourth Proportional to 191,927.94, 264,860.94 and 107,050.50

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Solution

The fourth proportional to 191,927.94, 264,860.94 and 107,050.50 is: 147,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,927.94 : 264,860.94 = 107,050.50 : x
  2. Step 2: Convert to fraction form
    191,927.94/264,860.94 = 107,050.50/x
  3. Step 3: Cross multiply
    191,927.94x = 264,860.94 × 107,050.50
  4. Step 4: Simplify right side
    191,927.94x = 28,353,496,057.47
  5. Step 5: Solve for x
    x = 28,353,496,057.47/191,927.94
  6. Step 6: Final answer
    x = 147,729.90

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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.