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Finding the Fourth Proportional to 186,188.63, 279,364.95 and 61,529.63

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Solution

The fourth proportional to 186,188.63, 279,364.95 and 61,529.63 is: 92,321.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,188.63 : 279,364.95 = 61,529.63 : x
  2. Step 2: Convert to fraction form
    186,188.63/279,364.95 = 61,529.63/x
  3. Step 3: Cross multiply
    186,188.63x = 279,364.95 × 61,529.63
  4. Step 4: Simplify right side
    186,188.63x = 17,189,220,611.64
  5. Step 5: Solve for x
    x = 17,189,220,611.64/186,188.63
  6. Step 6: Final answer
    x = 92,321.54

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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.