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Finding the Fourth Proportional to 187,312.30, 280,968.45 and 184,201.90

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Solution

The fourth proportional to 187,312.30, 280,968.45 and 184,201.90 is: 276,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,312.30 : 280,968.45 = 184,201.90 : x
  2. Step 2: Convert to fraction form
    187,312.30/280,968.45 = 184,201.90/x
  3. Step 3: Cross multiply
    187,312.30x = 280,968.45 × 184,201.90
  4. Step 4: Simplify right side
    187,312.30x = 51,754,922,330.06
  5. Step 5: Solve for x
    x = 51,754,922,330.06/187,312.30
  6. Step 6: Final answer
    x = 276,302.85

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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.