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Finding the Fourth Proportional to 79,903.98, 119,875.47 and 26,595.86

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Solution

The fourth proportional to 79,903.98, 119,875.47 and 26,595.86 is: 39,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,903.98 : 119,875.47 = 26,595.86 : x
  2. Step 2: Convert to fraction form
    79,903.98/119,875.47 = 26,595.86/x
  3. Step 3: Cross multiply
    79,903.98x = 119,875.47 × 26,595.86
  4. Step 4: Simplify right side
    79,903.98x = 3,188,190,618.18
  5. Step 5: Solve for x
    x = 3,188,190,618.18/79,903.98
  6. Step 6: Final answer
    x = 39,900.27

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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.