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Finding the Fourth Proportional to 248,282.30, 372,131.84 and 114,880.80

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Solution

The fourth proportional to 248,282.30, 372,131.84 and 114,880.80 is: 172,186.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,282.30 : 372,131.84 = 114,880.80 : x
  2. Step 2: Convert to fraction form
    248,282.30/372,131.84 = 114,880.80/x
  3. Step 3: Cross multiply
    248,282.30x = 372,131.84 × 114,880.80
  4. Step 4: Simplify right side
    248,282.30x = 42,750,803,484.67
  5. Step 5: Solve for x
    x = 42,750,803,484.67/248,282.30
  6. Step 6: Final answer
    x = 172,186.27

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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.