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Finding the Fourth Proportional to 249,171.92, 373,744.81 and 71,671.96

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Solution

The fourth proportional to 249,171.92, 373,744.81 and 71,671.96 is: 107,504.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,171.92 : 373,744.81 = 71,671.96 : x
  2. Step 2: Convert to fraction form
    249,171.92/373,744.81 = 71,671.96/x
  3. Step 3: Cross multiply
    249,171.92x = 373,744.81 × 71,671.96
  4. Step 4: Simplify right side
    249,171.92x = 26,787,020,845.44
  5. Step 5: Solve for x
    x = 26,787,020,845.44/249,171.92
  6. Step 6: Final answer
    x = 107,504.17

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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.