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Finding the Fourth Proportional to 120,370.56, 180,554.56 and 46,446.72

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Solution

The fourth proportional to 120,370.56, 180,554.56 and 46,446.72 is: 69,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,370.56 : 180,554.56 = 46,446.72 : x
  2. Step 2: Convert to fraction form
    120,370.56/180,554.56 = 46,446.72/x
  3. Step 3: Cross multiply
    120,370.56x = 180,554.56 × 46,446.72
  4. Step 4: Simplify right side
    120,370.56x = 8,386,167,093.04
  5. Step 5: Solve for x
    x = 8,386,167,093.04/120,370.56
  6. Step 6: Final answer
    x = 69,669.59

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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.