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Finding the Fourth Proportional to 114,019.80, 171,029.70 and 98,467.80

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Solution

The fourth proportional to 114,019.80, 171,029.70 and 98,467.80 is: 147,701.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,019.80 : 171,029.70 = 98,467.80 : x
  2. Step 2: Convert to fraction form
    114,019.80/171,029.70 = 98,467.80/x
  3. Step 3: Cross multiply
    114,019.80x = 171,029.70 × 98,467.80
  4. Step 4: Simplify right side
    114,019.80x = 16,840,918,293.66
  5. Step 5: Solve for x
    x = 16,840,918,293.66/114,019.80
  6. Step 6: Final answer
    x = 147,701.70

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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.