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Finding the Fourth Proportional to 192,009.80, 288,014.70 and 183,715.40

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Solution

The fourth proportional to 192,009.80, 288,014.70 and 183,715.40 is: 275,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,009.80 : 288,014.70 = 183,715.40 : x
  2. Step 2: Convert to fraction form
    192,009.80/288,014.70 = 183,715.40/x
  3. Step 3: Cross multiply
    192,009.80x = 288,014.70 × 183,715.40
  4. Step 4: Simplify right side
    192,009.80x = 52,912,735,816.38
  5. Step 5: Solve for x
    x = 52,912,735,816.38/192,009.80
  6. Step 6: Final answer
    x = 275,573.10

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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.