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Finding the Fourth Proportional to 303,168.51, 454,752.75 and 92,779.11

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Solution

The fourth proportional to 303,168.51, 454,752.75 and 92,779.11 is: 139,168.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,168.51 : 454,752.75 = 92,779.11 : x
  2. Step 2: Convert to fraction form
    303,168.51/454,752.75 = 92,779.11/x
  3. Step 3: Cross multiply
    303,168.51x = 454,752.75 × 92,779.11
  4. Step 4: Simplify right side
    303,168.51x = 42,191,555,415.05
  5. Step 5: Solve for x
    x = 42,191,555,415.05/303,168.51
  6. Step 6: Final answer
    x = 139,168.66

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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.