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Finding the Fourth Proportional to 216,046.40, 324,026.40 and 103,726.40

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Solution

The fourth proportional to 216,046.40, 324,026.40 and 103,726.40 is: 155,568.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,046.40 : 324,026.40 = 103,726.40 : x
  2. Step 2: Convert to fraction form
    216,046.40/324,026.40 = 103,726.40/x
  3. Step 3: Cross multiply
    216,046.40x = 324,026.40 × 103,726.40
  4. Step 4: Simplify right side
    216,046.40x = 33,610,091,976.96
  5. Step 5: Solve for x
    x = 33,610,091,976.96/216,046.40
  6. Step 6: Final answer
    x = 155,568.86

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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.