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Finding the Fourth Proportional to 154,325.85, 231,510.96 and 47,718.12

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Solution

The fourth proportional to 154,325.85, 231,510.96 and 47,718.12 is: 71,584.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,325.85 : 231,510.96 = 47,718.12 : x
  2. Step 2: Convert to fraction form
    154,325.85/231,510.96 = 47,718.12/x
  3. Step 3: Cross multiply
    154,325.85x = 231,510.96 × 47,718.12
  4. Step 4: Simplify right side
    154,325.85x = 11,047,267,770.60
  5. Step 5: Solve for x
    x = 11,047,267,770.60/154,325.85
  6. Step 6: Final answer
    x = 71,584.04

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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.