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Finding the Fourth Proportional to 306,056.40, 459,084.60 and 95,758.80

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Solution

The fourth proportional to 306,056.40, 459,084.60 and 95,758.80 is: 143,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,056.40 : 459,084.60 = 95,758.80 : x
  2. Step 2: Convert to fraction form
    306,056.40/459,084.60 = 95,758.80/x
  3. Step 3: Cross multiply
    306,056.40x = 459,084.60 × 95,758.80
  4. Step 4: Simplify right side
    306,056.40x = 43,961,390,394.48
  5. Step 5: Solve for x
    x = 43,961,390,394.48/306,056.40
  6. Step 6: Final answer
    x = 143,638.20

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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.