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Finding the Fourth Proportional to 184,921.31, 255,191.72 and 100,038.38

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Solution

The fourth proportional to 184,921.31, 255,191.72 and 100,038.38 is: 138,053.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,921.31 : 255,191.72 = 100,038.38 : x
  2. Step 2: Convert to fraction form
    184,921.31/255,191.72 = 100,038.38/x
  3. Step 3: Cross multiply
    184,921.31x = 255,191.72 × 100,038.38
  4. Step 4: Simplify right side
    184,921.31x = 25,528,964,482.06
  5. Step 5: Solve for x
    x = 25,528,964,482.06/184,921.31
  6. Step 6: Final answer
    x = 138,053.12

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