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Finding the Fourth Proportional to 114,036.30, 171,090.90 and 39,204.45

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Solution

The fourth proportional to 114,036.30, 171,090.90 and 39,204.45 is: 58,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,036.30 : 171,090.90 = 39,204.45 : x
  2. Step 2: Convert to fraction form
    114,036.30/171,090.90 = 39,204.45/x
  3. Step 3: Cross multiply
    114,036.30x = 171,090.90 × 39,204.45
  4. Step 4: Simplify right side
    114,036.30x = 6,707,524,634.51
  5. Step 5: Solve for x
    x = 6,707,524,634.51/114,036.30
  6. Step 6: Final answer
    x = 58,819.21

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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.