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Finding the Fourth Proportional to 174,006.40, 261,009.60 and 134,640.40

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Solution

The fourth proportional to 174,006.40, 261,009.60 and 134,640.40 is: 201,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,006.40 : 261,009.60 = 134,640.40 : x
  2. Step 2: Convert to fraction form
    174,006.40/261,009.60 = 134,640.40/x
  3. Step 3: Cross multiply
    174,006.40x = 261,009.60 × 134,640.40
  4. Step 4: Simplify right side
    174,006.40x = 35,142,436,947.84
  5. Step 5: Solve for x
    x = 35,142,436,947.84/174,006.40
  6. Step 6: Final answer
    x = 201,960.60

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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.