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Finding the Fourth Proportional to 228,465.76, 342,690.12 and 59,984.56

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Solution

The fourth proportional to 228,465.76, 342,690.12 and 59,984.56 is: 89,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,465.76 : 342,690.12 = 59,984.56 : x
  2. Step 2: Convert to fraction form
    228,465.76/342,690.12 = 59,984.56/x
  3. Step 3: Cross multiply
    228,465.76x = 342,690.12 × 59,984.56
  4. Step 4: Simplify right side
    228,465.76x = 20,556,116,064.55
  5. Step 5: Solve for x
    x = 20,556,116,064.55/228,465.76
  6. Step 6: Final answer
    x = 89,974.60

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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.