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Finding the Fourth Proportional to 184,544.90, 254,671.93 and 99,661.96

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Solution

The fourth proportional to 184,544.90, 254,671.93 and 99,661.96 is: 137,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,544.90 : 254,671.93 = 99,661.96 : x
  2. Step 2: Convert to fraction form
    184,544.90/254,671.93 = 99,661.96/x
  3. Step 3: Cross multiply
    184,544.90x = 254,671.93 × 99,661.96
  4. Step 4: Simplify right side
    184,544.90x = 25,381,101,929.11
  5. Step 5: Solve for x
    x = 25,381,101,929.11/184,544.90
  6. Step 6: Final answer
    x = 137,533.48

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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.