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Finding the Fourth Proportional to 209,233.62, 288,736.32 and 118,597.94

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Solution

The fourth proportional to 209,233.62, 288,736.32 and 118,597.94 is: 163,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,233.62 : 288,736.32 = 118,597.94 : x
  2. Step 2: Convert to fraction form
    209,233.62/288,736.32 = 118,597.94/x
  3. Step 3: Cross multiply
    209,233.62x = 288,736.32 × 118,597.94
  4. Step 4: Simplify right side
    209,233.62x = 34,243,532,755.18
  5. Step 5: Solve for x
    x = 34,243,532,755.18/209,233.62
  6. Step 6: Final answer
    x = 163,661.71

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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.