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Finding the Fourth Proportional to 117,973.97, 176,813.26 and 92,915.06

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Solution

The fourth proportional to 117,973.97, 176,813.26 and 92,915.06 is: 139,256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,973.97 : 176,813.26 = 92,915.06 : x
  2. Step 2: Convert to fraction form
    117,973.97/176,813.26 = 92,915.06/x
  3. Step 3: Cross multiply
    117,973.97x = 176,813.26 × 92,915.06
  4. Step 4: Simplify right side
    117,973.97x = 16,428,614,661.70
  5. Step 5: Solve for x
    x = 16,428,614,661.70/117,973.97
  6. Step 6: Final answer
    x = 139,256.27

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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.