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Finding the Fourth Proportional to 122,990.10, 184,193.55 and 122,990.10

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Solution

The fourth proportional to 122,990.10, 184,193.55 and 122,990.10 is: 184,193.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,990.10 : 184,193.55 = 122,990.10 : x
  2. Step 2: Convert to fraction form
    122,990.10/184,193.55 = 122,990.10/x
  3. Step 3: Cross multiply
    122,990.10x = 184,193.55 × 122,990.10
  4. Step 4: Simplify right side
    122,990.10x = 22,653,983,133.86
  5. Step 5: Solve for x
    x = 22,653,983,133.86/122,990.10
  6. Step 6: Final answer
    x = 184,193.55

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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.