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Finding the Fourth Proportional to 191,480.45, 264,232.67 and 105,422.67

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Solution

The fourth proportional to 191,480.45, 264,232.67 and 105,422.67 is: 145,477.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,480.45 : 264,232.67 = 105,422.67 : x
  2. Step 2: Convert to fraction form
    191,480.45/264,232.67 = 105,422.67/x
  3. Step 3: Cross multiply
    191,480.45x = 264,232.67 × 105,422.67
  4. Step 4: Simplify right side
    191,480.45x = 27,856,113,045.52
  5. Step 5: Solve for x
    x = 27,856,113,045.52/191,480.45
  6. Step 6: Final answer
    x = 145,477.59

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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.