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Finding the Fourth Proportional to 186,284.40, 279,426.60 and 148,230.60

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Solution

The fourth proportional to 186,284.40, 279,426.60 and 148,230.60 is: 222,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,284.40 : 279,426.60 = 148,230.60 : x
  2. Step 2: Convert to fraction form
    186,284.40/279,426.60 = 148,230.60/x
  3. Step 3: Cross multiply
    186,284.40x = 279,426.60 × 148,230.60
  4. Step 4: Simplify right side
    186,284.40x = 41,419,572,573.96
  5. Step 5: Solve for x
    x = 41,419,572,573.96/186,284.40
  6. Step 6: Final answer
    x = 222,345.90

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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.