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Finding the Fourth Proportional to 114,859.25, 172,288.88 and 35,979.63

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Solution

The fourth proportional to 114,859.25, 172,288.88 and 35,979.63 is: 53,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,859.25 : 172,288.88 = 35,979.63 : x
  2. Step 2: Convert to fraction form
    114,859.25/172,288.88 = 35,979.63/x
  3. Step 3: Cross multiply
    114,859.25x = 172,288.88 × 35,979.63
  4. Step 4: Simplify right side
    114,859.25x = 6,198,890,155.51
  5. Step 5: Solve for x
    x = 6,198,890,155.51/114,859.25
  6. Step 6: Final answer
    x = 53,969.45

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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.