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Finding the Fourth Proportional to 342,178.24, 513,267.62 and 92,860.24

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Solution

The fourth proportional to 342,178.24, 513,267.62 and 92,860.24 is: 139,290.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,178.24 : 513,267.62 = 92,860.24 : x
  2. Step 2: Convert to fraction form
    342,178.24/513,267.62 = 92,860.24/x
  3. Step 3: Cross multiply
    342,178.24x = 513,267.62 × 92,860.24
  4. Step 4: Simplify right side
    342,178.24x = 47,662,154,377.43
  5. Step 5: Solve for x
    x = 47,662,154,377.43/342,178.24
  6. Step 6: Final answer
    x = 139,290.43

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1.5x scale

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.