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Finding the Fourth Proportional to 117,948, 176,974.10 and 91,523.58

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Solution

The fourth proportional to 117,948, 176,974.10 and 91,523.58 is: 137,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,948 : 176,974.10 = 91,523.58 : x
  2. Step 2: Convert to fraction form
    117,948/176,974.10 = 91,523.58/x
  3. Step 3: Cross multiply
    117,948x = 176,974.10 × 91,523.58
  4. Step 4: Simplify right side
    117,948x = 16,197,303,199.28
  5. Step 5: Solve for x
    x = 16,197,303,199.28/117,948
  6. Step 6: Final answer
    x = 137,325.80

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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.