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Finding the Fourth Proportional to 248,937.40, 373,406.10 and 82,725.40

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Solution

The fourth proportional to 248,937.40, 373,406.10 and 82,725.40 is: 124,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,937.40 : 373,406.10 = 82,725.40 : x
  2. Step 2: Convert to fraction form
    248,937.40/373,406.10 = 82,725.40/x
  3. Step 3: Cross multiply
    248,937.40x = 373,406.10 × 82,725.40
  4. Step 4: Simplify right side
    248,937.40x = 30,890,168,984.94
  5. Step 5: Solve for x
    x = 30,890,168,984.94/248,937.40
  6. Step 6: Final answer
    x = 124,088.10

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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.