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Finding the Fourth Proportional to 173,905.40, 260,858.10 and 134,490.80

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Solution

The fourth proportional to 173,905.40, 260,858.10 and 134,490.80 is: 201,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,905.40 : 260,858.10 = 134,490.80 : x
  2. Step 2: Convert to fraction form
    173,905.40/260,858.10 = 134,490.80/x
  3. Step 3: Cross multiply
    173,905.40x = 260,858.10 × 134,490.80
  4. Step 4: Simplify right side
    173,905.40x = 35,083,014,555.48
  5. Step 5: Solve for x
    x = 35,083,014,555.48/173,905.40
  6. Step 6: Final answer
    x = 201,736.20

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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.