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Finding the Fourth Proportional to 114,859.01, 172,288.52 and 35,979.38

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Solution

The fourth proportional to 114,859.01, 172,288.52 and 35,979.38 is: 53,969.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,859.01 : 172,288.52 = 35,979.38 : x
  2. Step 2: Convert to fraction form
    114,859.01/172,288.52 = 35,979.38/x
  3. Step 3: Cross multiply
    114,859.01x = 172,288.52 × 35,979.38
  4. Step 4: Simplify right side
    114,859.01x = 6,198,833,089.38
  5. Step 5: Solve for x
    x = 6,198,833,089.38/114,859.01
  6. Step 6: Final answer
    x = 53,969.06

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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.