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Finding the Fourth Proportional to 122,259.90, 170,956.50 and 122,259.90

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Solution

The fourth proportional to 122,259.90, 170,956.50 and 122,259.90 is: 170,956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,259.90 : 170,956.50 = 122,259.90 : x
  2. Step 2: Convert to fraction form
    122,259.90/170,956.50 = 122,259.90/x
  3. Step 3: Cross multiply
    122,259.90x = 170,956.50 × 122,259.90
  4. Step 4: Simplify right side
    122,259.90x = 20,901,124,594.35
  5. Step 5: Solve for x
    x = 20,901,124,594.35/122,259.90
  6. Step 6: Final answer
    x = 170,956.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.