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Finding the Fourth Proportional to 183,171.80, 274,806.30 and 64,830.80

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Solution

The fourth proportional to 183,171.80, 274,806.30 and 64,830.80 is: 97,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,171.80 : 274,806.30 = 64,830.80 : x
  2. Step 2: Convert to fraction form
    183,171.80/274,806.30 = 64,830.80/x
  3. Step 3: Cross multiply
    183,171.80x = 274,806.30 × 64,830.80
  4. Step 4: Simplify right side
    183,171.80x = 17,815,912,274.04
  5. Step 5: Solve for x
    x = 17,815,912,274.04/183,171.80
  6. Step 6: Final answer
    x = 97,263.40

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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.