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Finding the Fourth Proportional to 216,346.40, 324,185.12 and 168,848.88

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Solution

The fourth proportional to 216,346.40, 324,185.12 and 168,848.88 is: 253,012.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,346.40 : 324,185.12 = 168,848.88 : x
  2. Step 2: Convert to fraction form
    216,346.40/324,185.12 = 168,848.88/x
  3. Step 3: Cross multiply
    216,346.40x = 324,185.12 × 168,848.88
  4. Step 4: Simplify right side
    216,346.40x = 54,738,294,424.67
  5. Step 5: Solve for x
    x = 54,738,294,424.67/216,346.40
  6. Step 6: Final answer
    x = 253,012.27

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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.