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Finding the Fourth Proportional to 196,443.40, 294,665.10 and 48,699.40

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Solution

The fourth proportional to 196,443.40, 294,665.10 and 48,699.40 is: 73,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,443.40 : 294,665.10 = 48,699.40 : x
  2. Step 2: Convert to fraction form
    196,443.40/294,665.10 = 48,699.40/x
  3. Step 3: Cross multiply
    196,443.40x = 294,665.10 × 48,699.40
  4. Step 4: Simplify right side
    196,443.40x = 14,350,013,570.94
  5. Step 5: Solve for x
    x = 14,350,013,570.94/196,443.40
  6. Step 6: Final answer
    x = 73,049.10

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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.