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Finding the Fourth Proportional to 254,895.40, 382,343.10 and 88,683.40

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Solution

The fourth proportional to 254,895.40, 382,343.10 and 88,683.40 is: 133,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,895.40 : 382,343.10 = 88,683.40 : x
  2. Step 2: Convert to fraction form
    254,895.40/382,343.10 = 88,683.40/x
  3. Step 3: Cross multiply
    254,895.40x = 382,343.10 × 88,683.40
  4. Step 4: Simplify right side
    254,895.40x = 33,907,486,074.54
  5. Step 5: Solve for x
    x = 33,907,486,074.54/254,895.40
  6. Step 6: Final answer
    x = 133,025.10

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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.