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Finding the Fourth Proportional to 255,859.08, 383,790.60 and 98,049.84

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Solution

The fourth proportional to 255,859.08, 383,790.60 and 98,049.84 is: 147,075.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,859.08 : 383,790.60 = 98,049.84 : x
  2. Step 2: Convert to fraction form
    255,859.08/383,790.60 = 98,049.84/x
  3. Step 3: Cross multiply
    255,859.08x = 383,790.60 × 98,049.84
  4. Step 4: Simplify right side
    255,859.08x = 37,630,606,923.50
  5. Step 5: Solve for x
    x = 37,630,606,923.50/255,859.08
  6. Step 6: Final answer
    x = 147,075.52

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1.5x scale

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.