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Finding the Fourth Proportional to 117,791.08, 162,555.93 and 67,499.80

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Solution

The fourth proportional to 117,791.08, 162,555.93 and 67,499.80 is: 93,152.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,791.08 : 162,555.93 = 67,499.80 : x
  2. Step 2: Convert to fraction form
    117,791.08/162,555.93 = 67,499.80/x
  3. Step 3: Cross multiply
    117,791.08x = 162,555.93 × 67,499.80
  4. Step 4: Simplify right side
    117,791.08x = 10,972,492,763.81
  5. Step 5: Solve for x
    x = 10,972,492,763.81/117,791.08
  6. Step 6: Final answer
    x = 93,152.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.