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Finding the Fourth Proportional to 209,796.68, 289,522.74 and 114,303.35

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Solution

The fourth proportional to 209,796.68, 289,522.74 and 114,303.35 is: 157,740.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,796.68 : 289,522.74 = 114,303.35 : x
  2. Step 2: Convert to fraction form
    209,796.68/289,522.74 = 114,303.35/x
  3. Step 3: Cross multiply
    209,796.68x = 289,522.74 × 114,303.35
  4. Step 4: Simplify right side
    209,796.68x = 33,093,419,083.18
  5. Step 5: Solve for x
    x = 33,093,419,083.18/209,796.68
  6. Step 6: Final answer
    x = 157,740.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.