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Finding the Fourth Proportional to 243,004.08, 364,503.88 and 76,792.08

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Solution

The fourth proportional to 243,004.08, 364,503.88 and 76,792.08 is: 115,187.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,004.08 : 364,503.88 = 76,792.08 : x
  2. Step 2: Convert to fraction form
    243,004.08/364,503.88 = 76,792.08/x
  3. Step 3: Cross multiply
    243,004.08x = 364,503.88 × 76,792.08
  4. Step 4: Simplify right side
    243,004.08x = 27,991,011,113.27
  5. Step 5: Solve for x
    x = 27,991,011,113.27/243,004.08
  6. Step 6: Final answer
    x = 115,187.41

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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.