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Finding the Fourth Proportional to 173,868.40, 260,802.60 and 134,453.80

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Solution

The fourth proportional to 173,868.40, 260,802.60 and 134,453.80 is: 201,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,868.40 : 260,802.60 = 134,453.80 : x
  2. Step 2: Convert to fraction form
    173,868.40/260,802.60 = 134,453.80/x
  3. Step 3: Cross multiply
    173,868.40x = 260,802.60 × 134,453.80
  4. Step 4: Simplify right side
    173,868.40x = 35,065,900,619.88
  5. Step 5: Solve for x
    x = 35,065,900,619.88/173,868.40
  6. Step 6: Final answer
    x = 201,680.70

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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.