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Finding the Fourth Proportional to 184,554.65, 254,685.33 and 99,671.72

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Solution

The fourth proportional to 184,554.65, 254,685.33 and 99,671.72 is: 137,546.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,554.65 : 254,685.33 = 99,671.72 : x
  2. Step 2: Convert to fraction form
    184,554.65/254,685.33 = 99,671.72/x
  3. Step 3: Cross multiply
    184,554.65x = 254,685.33 × 99,671.72
  4. Step 4: Simplify right side
    184,554.65x = 25,384,924,899.87
  5. Step 5: Solve for x
    x = 25,384,924,899.87/184,554.65
  6. Step 6: Final answer
    x = 137,546.93

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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.