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Finding the Fourth Proportional to 117,668.30, 176,511.63 and 70,604.06

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Solution

The fourth proportional to 117,668.30, 176,511.63 and 70,604.06 is: 105,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,668.30 : 176,511.63 = 70,604.06 : x
  2. Step 2: Convert to fraction form
    117,668.30/176,511.63 = 70,604.06/x
  3. Step 3: Cross multiply
    117,668.30x = 176,511.63 × 70,604.06
  4. Step 4: Simplify right side
    117,668.30x = 12,462,437,715.22
  5. Step 5: Solve for x
    x = 12,462,437,715.22/117,668.30
  6. Step 6: Final answer
    x = 105,911.60

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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.