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Finding the Fourth Proportional to 255,114.20, 382,674.96 and 88,902.20

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Solution

The fourth proportional to 255,114.20, 382,674.96 and 88,902.20 is: 133,354.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,114.20 : 382,674.96 = 88,902.20 : x
  2. Step 2: Convert to fraction form
    255,114.20/382,674.96 = 88,902.20/x
  3. Step 3: Cross multiply
    255,114.20x = 382,674.96 × 88,902.20
  4. Step 4: Simplify right side
    255,114.20x = 34,020,643,915.54
  5. Step 5: Solve for x
    x = 34,020,643,915.54/255,114.20
  6. Step 6: Final answer
    x = 133,354.57

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1.5x scale

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.