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Finding the Fourth Proportional to 117,903.70, 162,710.04 and 64,191.67

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Solution

The fourth proportional to 117,903.70, 162,710.04 and 64,191.67 is: 88,586.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,903.70 : 162,710.04 = 64,191.67 : x
  2. Step 2: Convert to fraction form
    117,903.70/162,710.04 = 64,191.67/x
  3. Step 3: Cross multiply
    117,903.70x = 162,710.04 × 64,191.67
  4. Step 4: Simplify right side
    117,903.70x = 10,444,628,700.87
  5. Step 5: Solve for x
    x = 10,444,628,700.87/117,903.70
  6. Step 6: Final answer
    x = 88,586.09

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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.