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Finding the Fourth Proportional to 183,415.70, 275,123.55 and 103,699.55

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Solution

The fourth proportional to 183,415.70, 275,123.55 and 103,699.55 is: 155,549.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,415.70 : 275,123.55 = 103,699.55 : x
  2. Step 2: Convert to fraction form
    183,415.70/275,123.55 = 103,699.55/x
  3. Step 3: Cross multiply
    183,415.70x = 275,123.55 × 103,699.55
  4. Step 4: Simplify right side
    183,415.70x = 28,530,188,329.40
  5. Step 5: Solve for x
    x = 28,530,188,329.40/183,415.70
  6. Step 6: Final answer
    x = 155,549.33

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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.