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Finding the Fourth Proportional to 122,665.40, 183,998.10 and 122,665.40

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Solution

The fourth proportional to 122,665.40, 183,998.10 and 122,665.40 is: 183,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,665.40 : 183,998.10 = 122,665.40 : x
  2. Step 2: Convert to fraction form
    122,665.40/183,998.10 = 122,665.40/x
  3. Step 3: Cross multiply
    122,665.40x = 183,998.10 × 122,665.40
  4. Step 4: Simplify right side
    122,665.40x = 22,570,200,535.74
  5. Step 5: Solve for x
    x = 22,570,200,535.74/122,665.40
  6. Step 6: Final answer
    x = 183,998.10

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1.5x scale

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.