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Finding the Fourth Proportional to 117,570.69, 162,247.49 and 66,583.40

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Solution

The fourth proportional to 117,570.69, 162,247.49 and 66,583.40 is: 91,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,570.69 : 162,247.49 = 66,583.40 : x
  2. Step 2: Convert to fraction form
    117,570.69/162,247.49 = 66,583.40/x
  3. Step 3: Cross multiply
    117,570.69x = 162,247.49 × 66,583.40
  4. Step 4: Simplify right side
    117,570.69x = 10,802,990,097.74
  5. Step 5: Solve for x
    x = 10,802,990,097.74/117,570.69
  6. Step 6: Final answer
    x = 91,885.06

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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.