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Finding the Fourth Proportional to 186,056.88, 279,159.84 and 67,736.40

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Solution

The fourth proportional to 186,056.88, 279,159.84 and 67,736.40 is: 101,631.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,056.88 : 279,159.84 = 67,736.40 : x
  2. Step 2: Convert to fraction form
    186,056.88/279,159.84 = 67,736.40/x
  3. Step 3: Cross multiply
    186,056.88x = 279,159.84 × 67,736.40
  4. Step 4: Simplify right side
    186,056.88x = 18,909,282,586.18
  5. Step 5: Solve for x
    x = 18,909,282,586.18/186,056.88
  6. Step 6: Final answer
    x = 101,631.73

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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.