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Finding the Fourth Proportional to 134,504.73, 201,698.73 and 45,734.40

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Solution

The fourth proportional to 134,504.73, 201,698.73 and 45,734.40 is: 68,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,504.73 : 201,698.73 = 45,734.40 : x
  2. Step 2: Convert to fraction form
    134,504.73/201,698.73 = 45,734.40/x
  3. Step 3: Cross multiply
    134,504.73x = 201,698.73 × 45,734.40
  4. Step 4: Simplify right side
    134,504.73x = 9,224,570,397.31
  5. Step 5: Solve for x
    x = 9,224,570,397.31/134,504.73
  6. Step 6: Final answer
    x = 68,581.75

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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.