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Finding the Fourth Proportional to 114,903.30, 172,371.15 and 36,009.30

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Solution

The fourth proportional to 114,903.30, 172,371.15 and 36,009.30 is: 54,019.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,903.30 : 172,371.15 = 36,009.30 : x
  2. Step 2: Convert to fraction form
    114,903.30/172,371.15 = 36,009.30/x
  3. Step 3: Cross multiply
    114,903.30x = 172,371.15 × 36,009.30
  4. Step 4: Simplify right side
    114,903.30x = 6,206,964,451.70
  5. Step 5: Solve for x
    x = 6,206,964,451.70/114,903.30
  6. Step 6: Final answer
    x = 54,019.03

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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.