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Finding the Fourth Proportional to 196,503.69, 294,817.79 and 70,141.12

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Solution

The fourth proportional to 196,503.69, 294,817.79 and 70,141.12 is: 105,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,503.69 : 294,817.79 = 70,141.12 : x
  2. Step 2: Convert to fraction form
    196,503.69/294,817.79 = 70,141.12/x
  3. Step 3: Cross multiply
    196,503.69x = 294,817.79 × 70,141.12
  4. Step 4: Simplify right side
    196,503.69x = 20,678,849,986.52
  5. Step 5: Solve for x
    x = 20,678,849,986.52/196,503.69
  6. Step 6: Final answer
    x = 105,233.90

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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.