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Finding the Fourth Proportional to 117,930.30, 176,895.45 and 106,266.30

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Solution

The fourth proportional to 117,930.30, 176,895.45 and 106,266.30 is: 159,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,930.30 : 176,895.45 = 106,266.30 : x
  2. Step 2: Convert to fraction form
    117,930.30/176,895.45 = 106,266.30/x
  3. Step 3: Cross multiply
    117,930.30x = 176,895.45 × 106,266.30
  4. Step 4: Simplify right side
    117,930.30x = 18,798,024,958.34
  5. Step 5: Solve for x
    x = 18,798,024,958.34/117,930.30
  6. Step 6: Final answer
    x = 159,399.45

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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.