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Finding the Fourth Proportional to 93,423.78, 140,019.03 and 46,690.02

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Solution

The fourth proportional to 93,423.78, 140,019.03 and 46,690.02 is: 69,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,423.78 : 140,019.03 = 46,690.02 : x
  2. Step 2: Convert to fraction form
    93,423.78/140,019.03 = 46,690.02/x
  3. Step 3: Cross multiply
    93,423.78x = 140,019.03 × 46,690.02
  4. Step 4: Simplify right side
    93,423.78x = 6,537,491,311.08
  5. Step 5: Solve for x
    x = 6,537,491,311.08/93,423.78
  6. Step 6: Final answer
    x = 69,976.74

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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.