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Finding the Fourth Proportional to 333,742.88, 500,412.50 and 131,096.41

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Solution

The fourth proportional to 333,742.88, 500,412.50 and 131,096.41 is: 196,565.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,742.88 : 500,412.50 = 131,096.41 : x
  2. Step 2: Convert to fraction form
    333,742.88/500,412.50 = 131,096.41/x
  3. Step 3: Cross multiply
    333,742.88x = 500,412.50 × 131,096.41
  4. Step 4: Simplify right side
    333,742.88x = 65,602,280,854.22
  5. Step 5: Solve for x
    x = 65,602,280,854.22/333,742.88
  6. Step 6: Final answer
    x = 196,565.33

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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.