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Finding the Fourth Proportional to 171,292.60, 256,938.90 and 171,292.60

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Solution

The fourth proportional to 171,292.60, 256,938.90 and 171,292.60 is: 256,938.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,292.60 : 256,938.90 = 171,292.60 : x
  2. Step 2: Convert to fraction form
    171,292.60/256,938.90 = 171,292.60/x
  3. Step 3: Cross multiply
    171,292.60x = 256,938.90 × 171,292.60
  4. Step 4: Simplify right side
    171,292.60x = 44,011,732,222.14
  5. Step 5: Solve for x
    x = 44,011,732,222.14/171,292.60
  6. Step 6: Final answer
    x = 256,938.90

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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.