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Finding the Fourth Proportional to 342,177.32, 513,257.34 and 92,852.84

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Solution

The fourth proportional to 342,177.32, 513,257.34 and 92,852.84 is: 139,276.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,177.32 : 513,257.34 = 92,852.84 : x
  2. Step 2: Convert to fraction form
    342,177.32/513,257.34 = 92,852.84/x
  3. Step 3: Cross multiply
    342,177.32x = 513,257.34 × 92,852.84
  4. Step 4: Simplify right side
    342,177.32x = 47,657,401,669.85
  5. Step 5: Solve for x
    x = 47,657,401,669.85/342,177.32
  6. Step 6: Final answer
    x = 139,276.92

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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.