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Finding the Fourth Proportional to 117,636.20, 176,454.30 and 111,804.20

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Solution

The fourth proportional to 117,636.20, 176,454.30 and 111,804.20 is: 167,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,636.20 : 176,454.30 = 111,804.20 : x
  2. Step 2: Convert to fraction form
    117,636.20/176,454.30 = 111,804.20/x
  3. Step 3: Cross multiply
    117,636.20x = 176,454.30 × 111,804.20
  4. Step 4: Simplify right side
    117,636.20x = 19,728,331,848.06
  5. Step 5: Solve for x
    x = 19,728,331,848.06/117,636.20
  6. Step 6: Final answer
    x = 167,706.30

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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.