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Finding the Fourth Proportional to 555,077.72, 832,618.74 and 134,352.92

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Solution

The fourth proportional to 555,077.72, 832,618.74 and 134,352.92 is: 201,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,077.72 : 832,618.74 = 134,352.92 : x
  2. Step 2: Convert to fraction form
    555,077.72/832,618.74 = 134,352.92/x
  3. Step 3: Cross multiply
    555,077.72x = 832,618.74 × 134,352.92
  4. Step 4: Simplify right side
    555,077.72x = 111,864,758,965.72
  5. Step 5: Solve for x
    x = 111,864,758,965.72/555,077.72
  6. Step 6: Final answer
    x = 201,529.90

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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.