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Finding the Fourth Proportional to 192,885.60, 289,328.40 and 50,730.60

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Solution

The fourth proportional to 192,885.60, 289,328.40 and 50,730.60 is: 76,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,885.60 : 289,328.40 = 50,730.60 : x
  2. Step 2: Convert to fraction form
    192,885.60/289,328.40 = 50,730.60/x
  3. Step 3: Cross multiply
    192,885.60x = 289,328.40 × 50,730.60
  4. Step 4: Simplify right side
    192,885.60x = 14,677,803,329.04
  5. Step 5: Solve for x
    x = 14,677,803,329.04/192,885.60
  6. Step 6: Final answer
    x = 76,095.90

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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.