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Finding the Fourth Proportional to 117,729.70, 176,302.95 and 94,401.70

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Solution

The fourth proportional to 117,729.70, 176,302.95 and 94,401.70 is: 141,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,729.70 : 176,302.95 = 94,401.70 : x
  2. Step 2: Convert to fraction form
    117,729.70/176,302.95 = 94,401.70/x
  3. Step 3: Cross multiply
    117,729.70x = 176,302.95 × 94,401.70
  4. Step 4: Simplify right side
    117,729.70x = 16,643,298,195.02
  5. Step 5: Solve for x
    x = 16,643,298,195.02/117,729.70
  6. Step 6: Final answer
    x = 141,368.73

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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.