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Finding the Fourth Proportional to 229,880.49, 317,249.33 and 127,928.67

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Solution

The fourth proportional to 229,880.49, 317,249.33 and 127,928.67 is: 176,549.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,880.49 : 317,249.33 = 127,928.67 : x
  2. Step 2: Convert to fraction form
    229,880.49/317,249.33 = 127,928.67/x
  3. Step 3: Cross multiply
    229,880.49x = 317,249.33 × 127,928.67
  4. Step 4: Simplify right side
    229,880.49x = 40,585,284,205.65
  5. Step 5: Solve for x
    x = 40,585,284,205.65/229,880.49
  6. Step 6: Final answer
    x = 176,549.49

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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.