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Finding the Fourth Proportional to 190,744.80, 286,808.40 and 186,597.60

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Solution

The fourth proportional to 190,744.80, 286,808.40 and 186,597.60 is: 280,572.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,744.80 : 286,808.40 = 186,597.60 : x
  2. Step 2: Convert to fraction form
    190,744.80/286,808.40 = 186,597.60/x
  3. Step 3: Cross multiply
    190,744.80x = 286,808.40 × 186,597.60
  4. Step 4: Simplify right side
    190,744.80x = 53,517,759,099.84
  5. Step 5: Solve for x
    x = 53,517,759,099.84/190,744.80
  6. Step 6: Final answer
    x = 280,572.57

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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.