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Finding the Fourth Proportional to 192,693.40, 289,040.10 and 192,693.40

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Solution

The fourth proportional to 192,693.40, 289,040.10 and 192,693.40 is: 289,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,693.40 : 289,040.10 = 192,693.40 : x
  2. Step 2: Convert to fraction form
    192,693.40/289,040.10 = 192,693.40/x
  3. Step 3: Cross multiply
    192,693.40x = 289,040.10 × 192,693.40
  4. Step 4: Simplify right side
    192,693.40x = 55,696,119,605.34
  5. Step 5: Solve for x
    x = 55,696,119,605.34/192,693.40
  6. Step 6: Final answer
    x = 289,040.10

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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.