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Finding the Fourth Proportional to 155,597.20, 233,428.20 and 88,982.80

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Solution

The fourth proportional to 155,597.20, 233,428.20 and 88,982.80 is: 133,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,597.20 : 233,428.20 = 88,982.80 : x
  2. Step 2: Convert to fraction form
    155,597.20/233,428.20 = 88,982.80/x
  3. Step 3: Cross multiply
    155,597.20x = 233,428.20 × 88,982.80
  4. Step 4: Simplify right side
    155,597.20x = 20,771,094,834.96
  5. Step 5: Solve for x
    x = 20,771,094,834.96/155,597.20
  6. Step 6: Final answer
    x = 133,492.73

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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.