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Finding the Fourth Proportional to 183,885.70, 275,860.95 and 65,625.70

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Solution

The fourth proportional to 183,885.70, 275,860.95 and 65,625.70 is: 98,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,885.70 : 275,860.95 = 65,625.70 : x
  2. Step 2: Convert to fraction form
    183,885.70/275,860.95 = 65,625.70/x
  3. Step 3: Cross multiply
    183,885.70x = 275,860.95 × 65,625.70
  4. Step 4: Simplify right side
    183,885.70x = 18,103,567,946.42
  5. Step 5: Solve for x
    x = 18,103,567,946.42/183,885.70
  6. Step 6: Final answer
    x = 98,450.11

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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.