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Finding the Fourth Proportional to 117,624.70, 162,025.28 and 94,900.10

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Solution

The fourth proportional to 117,624.70, 162,025.28 and 94,900.10 is: 130,722.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,624.70 : 162,025.28 = 94,900.10 : x
  2. Step 2: Convert to fraction form
    117,624.70/162,025.28 = 94,900.10/x
  3. Step 3: Cross multiply
    117,624.70x = 162,025.28 × 94,900.10
  4. Step 4: Simplify right side
    117,624.70x = 15,376,213,989.90
  5. Step 5: Solve for x
    x = 15,376,213,989.90/117,624.70
  6. Step 6: Final answer
    x = 130,722.67

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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.