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Finding the Fourth Proportional to 184,939.65, 255,215.65 and 100,054.89

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Solution

The fourth proportional to 184,939.65, 255,215.65 and 100,054.89 is: 138,075.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,939.65 : 255,215.65 = 100,054.89 : x
  2. Step 2: Convert to fraction form
    184,939.65/255,215.65 = 100,054.89/x
  3. Step 3: Cross multiply
    184,939.65x = 255,215.65 × 100,054.89
  4. Step 4: Simplify right side
    184,939.65x = 25,535,574,425.07
  5. Step 5: Solve for x
    x = 25,535,574,425.07/184,939.65
  6. Step 6: Final answer
    x = 138,075.17

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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.