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Finding the Fourth Proportional to 186,245.60, 279,368.40 and 73,952.60

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Solution

The fourth proportional to 186,245.60, 279,368.40 and 73,952.60 is: 110,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,245.60 : 279,368.40 = 73,952.60 : x
  2. Step 2: Convert to fraction form
    186,245.60/279,368.40 = 73,952.60/x
  3. Step 3: Cross multiply
    186,245.60x = 279,368.40 × 73,952.60
  4. Step 4: Simplify right side
    186,245.60x = 20,660,019,537.84
  5. Step 5: Solve for x
    x = 20,660,019,537.84/186,245.60
  6. Step 6: Final answer
    x = 110,928.90

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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.