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Finding the Fourth Proportional to 189,703.85, 284,586.66 and 88,603.00

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Solution

The fourth proportional to 189,703.85, 284,586.66 and 88,603.00 is: 132,918.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,703.85 : 284,586.66 = 88,603.00 : x
  2. Step 2: Convert to fraction form
    189,703.85/284,586.66 = 88,603.00/x
  3. Step 3: Cross multiply
    189,703.85x = 284,586.66 × 88,603.00
  4. Step 4: Simplify right side
    189,703.85x = 25,215,231,124.51
  5. Step 5: Solve for x
    x = 25,215,231,124.51/189,703.85
  6. Step 6: Final answer
    x = 132,918.92

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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.