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Finding the Fourth Proportional to 184,187.76, 275,915.84 and 141,921.20

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Solution

The fourth proportional to 184,187.76, 275,915.84 and 141,921.20 is: 212,599.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,187.76 : 275,915.84 = 141,921.20 : x
  2. Step 2: Convert to fraction form
    184,187.76/275,915.84 = 141,921.20/x
  3. Step 3: Cross multiply
    184,187.76x = 275,915.84 × 141,921.20
  4. Step 4: Simplify right side
    184,187.76x = 39,158,307,111.81
  5. Step 5: Solve for x
    x = 39,158,307,111.81/184,187.76
  6. Step 6: Final answer
    x = 212,599.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.