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Finding the Fourth Proportional to 122,950.10, 184,425.15 and 112,063.70

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Solution

The fourth proportional to 122,950.10, 184,425.15 and 112,063.70 is: 168,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,950.10 : 184,425.15 = 112,063.70 : x
  2. Step 2: Convert to fraction form
    122,950.10/184,425.15 = 112,063.70/x
  3. Step 3: Cross multiply
    122,950.10x = 184,425.15 × 112,063.70
  4. Step 4: Simplify right side
    122,950.10x = 20,667,364,682.06
  5. Step 5: Solve for x
    x = 20,667,364,682.06/122,950.10
  6. Step 6: Final answer
    x = 168,095.55

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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.