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Finding the Fourth Proportional to 243,334.40, 364,828.80 and 93,516.80

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Solution

The fourth proportional to 243,334.40, 364,828.80 and 93,516.80 is: 140,208.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,334.40 : 364,828.80 = 93,516.80 : x
  2. Step 2: Convert to fraction form
    243,334.40/364,828.80 = 93,516.80/x
  3. Step 3: Cross multiply
    243,334.40x = 364,828.80 × 93,516.80
  4. Step 4: Simplify right side
    243,334.40x = 34,117,621,923.84
  5. Step 5: Solve for x
    x = 34,117,621,923.84/243,334.40
  6. Step 6: Final answer
    x = 140,208.79

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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.