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Finding the Fourth Proportional to 202,881.75, 304,406.43 and 88,970.61

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Solution

The fourth proportional to 202,881.75, 304,406.43 and 88,970.61 is: 133,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,881.75 : 304,406.43 = 88,970.61 : x
  2. Step 2: Convert to fraction form
    202,881.75/304,406.43 = 88,970.61/x
  3. Step 3: Cross multiply
    202,881.75x = 304,406.43 × 88,970.61
  4. Step 4: Simplify right side
    202,881.75x = 27,083,225,765.02
  5. Step 5: Solve for x
    x = 27,083,225,765.02/202,881.75
  6. Step 6: Final answer
    x = 133,492.67

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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.