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Finding the Fourth Proportional to 371,176.56, 556,764.57 and 134,518.86

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Solution

The fourth proportional to 371,176.56, 556,764.57 and 134,518.86 is: 201,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,176.56 : 556,764.57 = 134,518.86 : x
  2. Step 2: Convert to fraction form
    371,176.56/556,764.57 = 134,518.86/x
  3. Step 3: Cross multiply
    371,176.56x = 556,764.57 × 134,518.86
  4. Step 4: Simplify right side
    371,176.56x = 74,895,335,244.79
  5. Step 5: Solve for x
    x = 74,895,335,244.79/371,176.56
  6. Step 6: Final answer
    x = 201,778.19

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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.