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Finding the Fourth Proportional to 243,996.51, 365,984.01 and 66,503.52

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Solution

The fourth proportional to 243,996.51, 365,984.01 and 66,503.52 is: 99,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,996.51 : 365,984.01 = 66,503.52 : x
  2. Step 2: Convert to fraction form
    243,996.51/365,984.01 = 66,503.52/x
  3. Step 3: Cross multiply
    243,996.51x = 365,984.01 × 66,503.52
  4. Step 4: Simplify right side
    243,996.51x = 24,339,224,928.72
  5. Step 5: Solve for x
    x = 24,339,224,928.72/243,996.51
  6. Step 6: Final answer
    x = 99,752.35

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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.