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Finding the Fourth Proportional to 70,000.50, 104,995.08 and 27,878.88

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Solution

The fourth proportional to 70,000.50, 104,995.08 and 27,878.88 is: 41,816.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,000.50 : 104,995.08 = 27,878.88 : x
  2. Step 2: Convert to fraction form
    70,000.50/104,995.08 = 27,878.88/x
  3. Step 3: Cross multiply
    70,000.50x = 104,995.08 × 27,878.88
  4. Step 4: Simplify right side
    70,000.50x = 2,927,145,235.91
  5. Step 5: Solve for x
    x = 2,927,145,235.91/70,000.50
  6. Step 6: Final answer
    x = 41,816.06

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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.