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Finding the Fourth Proportional to 95,588.40, 143,411.40 and 67,940.40

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Solution

The fourth proportional to 95,588.40, 143,411.40 and 67,940.40 is: 101,931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,588.40 : 143,411.40 = 67,940.40 : x
  2. Step 2: Convert to fraction form
    95,588.40/143,411.40 = 67,940.40/x
  3. Step 3: Cross multiply
    95,588.40x = 143,411.40 × 67,940.40
  4. Step 4: Simplify right side
    95,588.40x = 9,743,427,880.56
  5. Step 5: Solve for x
    x = 9,743,427,880.56/95,588.40
  6. Step 6: Final answer
    x = 101,931.07

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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.