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Finding the Fourth Proportional to 69,995.68, 105,042.73 and 63,303.46

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Solution

The fourth proportional to 69,995.68, 105,042.73 and 63,303.46 is: 94,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,995.68 : 105,042.73 = 63,303.46 : x
  2. Step 2: Convert to fraction form
    69,995.68/105,042.73 = 63,303.46/x
  3. Step 3: Cross multiply
    69,995.68x = 105,042.73 × 63,303.46
  4. Step 4: Simplify right side
    69,995.68x = 6,649,568,467.28
  5. Step 5: Solve for x
    x = 6,649,568,467.28/69,995.68
  6. Step 6: Final answer
    x = 94,999.70

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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.