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Finding the Fourth Proportional to 254,382.98, 381,582.59 and 127,954.17

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Solution

The fourth proportional to 254,382.98, 381,582.59 and 127,954.17 is: 191,935.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,382.98 : 381,582.59 = 127,954.17 : x
  2. Step 2: Convert to fraction form
    254,382.98/381,582.59 = 127,954.17/x
  3. Step 3: Cross multiply
    254,382.98x = 381,582.59 × 127,954.17
  4. Step 4: Simplify right side
    254,382.98x = 48,825,082,950.13
  5. Step 5: Solve for x
    x = 48,825,082,950.13/254,382.98
  6. Step 6: Final answer
    x = 191,935.34

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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.