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Finding the Fourth Proportional to 189,937.17, 262,110.06 and 105,054.17

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Solution

The fourth proportional to 189,937.17, 262,110.06 and 105,054.17 is: 144,972.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,937.17 : 262,110.06 = 105,054.17 : x
  2. Step 2: Convert to fraction form
    189,937.17/262,110.06 = 105,054.17/x
  3. Step 3: Cross multiply
    189,937.17x = 262,110.06 × 105,054.17
  4. Step 4: Simplify right side
    189,937.17x = 27,535,753,491.40
  5. Step 5: Solve for x
    x = 27,535,753,491.40/189,937.17
  6. Step 6: Final answer
    x = 144,972.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.