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Finding the Fourth Proportional to 249,497.62, 344,311.89 and 136,327.86

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Solution

The fourth proportional to 249,497.62, 344,311.89 and 136,327.86 is: 188,135.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,497.62 : 344,311.89 = 136,327.86 : x
  2. Step 2: Convert to fraction form
    249,497.62/344,311.89 = 136,327.86/x
  3. Step 3: Cross multiply
    249,497.62x = 344,311.89 × 136,327.86
  4. Step 4: Simplify right side
    249,497.62x = 46,939,303,136.26
  5. Step 5: Solve for x
    x = 46,939,303,136.26/249,497.62
  6. Step 6: Final answer
    x = 188,135.27

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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.