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Finding the Fourth Proportional to 228,354.88, 342,296.88 and 95,312.56

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Solution

The fourth proportional to 228,354.88, 342,296.88 and 95,312.56 is: 142,870.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,354.88 : 342,296.88 = 95,312.56 : x
  2. Step 2: Convert to fraction form
    228,354.88/342,296.88 = 95,312.56/x
  3. Step 3: Cross multiply
    228,354.88x = 342,296.88 × 95,312.56
  4. Step 4: Simplify right side
    228,354.88x = 32,625,191,912.81
  5. Step 5: Solve for x
    x = 32,625,191,912.81/228,354.88
  6. Step 6: Final answer
    x = 142,870.57

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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.