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Finding the Fourth Proportional to 216,244.80, 324,318.60 and 141,886.80

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Solution

The fourth proportional to 216,244.80, 324,318.60 and 141,886.80 is: 212,798.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,244.80 : 324,318.60 = 141,886.80 : x
  2. Step 2: Convert to fraction form
    216,244.80/324,318.60 = 141,886.80/x
  3. Step 3: Cross multiply
    216,244.80x = 324,318.60 × 141,886.80
  4. Step 4: Simplify right side
    216,244.80x = 46,016,528,334.48
  5. Step 5: Solve for x
    x = 46,016,528,334.48/216,244.80
  6. Step 6: Final answer
    x = 212,798.31

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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.