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Finding the Fourth Proportional to 216,091.56, 298,210.30 and 119,306.90

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Solution

The fourth proportional to 216,091.56, 298,210.30 and 119,306.90 is: 164,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,091.56 : 298,210.30 = 119,306.90 : x
  2. Step 2: Convert to fraction form
    216,091.56/298,210.30 = 119,306.90/x
  3. Step 3: Cross multiply
    216,091.56x = 298,210.30 × 119,306.90
  4. Step 4: Simplify right side
    216,091.56x = 35,578,546,441.07
  5. Step 5: Solve for x
    x = 35,578,546,441.07/216,091.56
  6. Step 6: Final answer
    x = 164,645.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.