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Finding the Fourth Proportional to 103,125.84, 154,832.43 and 53,241.89

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Solution

The fourth proportional to 103,125.84, 154,832.43 and 53,241.89 is: 79,937.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,125.84 : 154,832.43 = 53,241.89 : x
  2. Step 2: Convert to fraction form
    103,125.84/154,832.43 = 53,241.89/x
  3. Step 3: Cross multiply
    103,125.84x = 154,832.43 × 53,241.89
  4. Step 4: Simplify right side
    103,125.84x = 8,243,570,432.33
  5. Step 5: Solve for x
    x = 8,243,570,432.33/103,125.84
  6. Step 6: Final answer
    x = 79,937.00

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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.