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Finding the Fourth Proportional to 123,336.60, 184,706.70 and 70,586.16

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Solution

The fourth proportional to 123,336.60, 184,706.70 and 70,586.16 is: 105,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,336.60 : 184,706.70 = 70,586.16 : x
  2. Step 2: Convert to fraction form
    123,336.60/184,706.70 = 70,586.16/x
  3. Step 3: Cross multiply
    123,336.60x = 184,706.70 × 70,586.16
  4. Step 4: Simplify right side
    123,336.60x = 13,037,736,679.27
  5. Step 5: Solve for x
    x = 13,037,736,679.27/123,336.60
  6. Step 6: Final answer
    x = 105,708.58

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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.