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Finding the Fourth Proportional to 255,760.05, 352,968.12 and 148,329.12

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Solution

The fourth proportional to 255,760.05, 352,968.12 and 148,329.12 is: 204,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,760.05 : 352,968.12 = 148,329.12 : x
  2. Step 2: Convert to fraction form
    255,760.05/352,968.12 = 148,329.12/x
  3. Step 3: Cross multiply
    255,760.05x = 352,968.12 × 148,329.12
  4. Step 4: Simplify right side
    255,760.05x = 52,355,450,627.65
  5. Step 5: Solve for x
    x = 52,355,450,627.65/255,760.05
  6. Step 6: Final answer
    x = 204,705.35

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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.