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Finding the Fourth Proportional to 164,022.40, 245,961.60 and 75,246.40

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Solution

The fourth proportional to 164,022.40, 245,961.60 and 75,246.40 is: 112,836.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,022.40 : 245,961.60 = 75,246.40 : x
  2. Step 2: Convert to fraction form
    164,022.40/245,961.60 = 75,246.40/x
  3. Step 3: Cross multiply
    164,022.40x = 245,961.60 × 75,246.40
  4. Step 4: Simplify right side
    164,022.40x = 18,507,724,938.24
  5. Step 5: Solve for x
    x = 18,507,724,938.24/164,022.40
  6. Step 6: Final answer
    x = 112,836.57

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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.