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Finding the Fourth Proportional to 216,493.16, 298,758.58 and 119,703.71

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Solution

The fourth proportional to 216,493.16, 298,758.58 and 119,703.71 is: 165,190.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,493.16 : 298,758.58 = 119,703.71 : x
  2. Step 2: Convert to fraction form
    216,493.16/298,758.58 = 119,703.71/x
  3. Step 3: Cross multiply
    216,493.16x = 298,758.58 × 119,703.71
  4. Step 4: Simplify right side
    216,493.16x = 35,762,510,867.97
  5. Step 5: Solve for x
    x = 35,762,510,867.97/216,493.16
  6. Step 6: Final answer
    x = 165,190.03

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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.