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Finding the Fourth Proportional to 184,804.64, 255,030.24 and 99,921.50

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Solution

The fourth proportional to 184,804.64, 255,030.24 and 99,921.50 is: 137,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,804.64 : 255,030.24 = 99,921.50 : x
  2. Step 2: Convert to fraction form
    184,804.64/255,030.24 = 99,921.50/x
  3. Step 3: Cross multiply
    184,804.64x = 255,030.24 × 99,921.50
  4. Step 4: Simplify right side
    184,804.64x = 25,483,004,126.16
  5. Step 5: Solve for x
    x = 25,483,004,126.16/184,804.64
  6. Step 6: Final answer
    x = 137,891.58

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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.