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Finding the Fourth Proportional to 93,938.65, 140,969.06 and 40,682.63

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Solution

The fourth proportional to 93,938.65, 140,969.06 and 40,682.63 is: 61,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,938.65 : 140,969.06 = 40,682.63 : x
  2. Step 2: Convert to fraction form
    93,938.65/140,969.06 = 40,682.63/x
  3. Step 3: Cross multiply
    93,938.65x = 140,969.06 × 40,682.63
  4. Step 4: Simplify right side
    93,938.65x = 5,734,992,109.43
  5. Step 5: Solve for x
    x = 5,734,992,109.43/93,938.65
  6. Step 6: Final answer
    x = 61,050.40

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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.