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Finding the Fourth Proportional to 216,167.40, 324,056.70 and 141,323.40

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Solution

The fourth proportional to 216,167.40, 324,056.70 and 141,323.40 is: 211,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,167.40 : 324,056.70 = 141,323.40 : x
  2. Step 2: Convert to fraction form
    216,167.40/324,056.70 = 141,323.40/x
  3. Step 3: Cross multiply
    216,167.40x = 324,056.70 × 141,323.40
  4. Step 4: Simplify right side
    216,167.40x = 45,796,794,636.78
  5. Step 5: Solve for x
    x = 45,796,794,636.78/216,167.40
  6. Step 6: Final answer
    x = 211,858.01

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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.