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Finding the Fourth Proportional to 140,466.53, 210,497.70 and 60,482.54

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Solution

The fourth proportional to 140,466.53, 210,497.70 and 60,482.54 is: 90,636.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,466.53 : 210,497.70 = 60,482.54 : x
  2. Step 2: Convert to fraction form
    140,466.53/210,497.70 = 60,482.54/x
  3. Step 3: Cross multiply
    140,466.53x = 210,497.70 × 60,482.54
  4. Step 4: Simplify right side
    140,466.53x = 12,731,435,560.16
  5. Step 5: Solve for x
    x = 12,731,435,560.16/140,466.53
  6. Step 6: Final answer
    x = 90,636.79

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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.