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Finding the Fourth Proportional to 216,735.09, 325,195.65 and 83,708.76

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Solution

The fourth proportional to 216,735.09, 325,195.65 and 83,708.76 is: 125,599.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,735.09 : 325,195.65 = 83,708.76 : x
  2. Step 2: Convert to fraction form
    216,735.09/325,195.65 = 83,708.76/x
  3. Step 3: Cross multiply
    216,735.09x = 325,195.65 × 83,708.76
  4. Step 4: Simplify right side
    216,735.09x = 27,221,724,618.89
  5. Step 5: Solve for x
    x = 27,221,724,618.89/216,735.09
  6. Step 6: Final answer
    x = 125,599.06

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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.