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Finding the Fourth Proportional to 93,846.54, 140,778.75 and 26,378.40

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Solution

The fourth proportional to 93,846.54, 140,778.75 and 26,378.40 is: 39,570.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,846.54 : 140,778.75 = 26,378.40 : x
  2. Step 2: Convert to fraction form
    93,846.54/140,778.75 = 26,378.40/x
  3. Step 3: Cross multiply
    93,846.54x = 140,778.75 × 26,378.40
  4. Step 4: Simplify right side
    93,846.54x = 3,713,518,047.11
  5. Step 5: Solve for x
    x = 3,713,518,047.11/93,846.54
  6. Step 6: Final answer
    x = 39,570.11

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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.