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Finding the Fourth Proportional to 58,185.12, 87,078.96 and 35,988.96

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Solution

The fourth proportional to 58,185.12, 87,078.96 and 35,988.96 is: 53,860.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,185.12 : 87,078.96 = 35,988.96 : x
  2. Step 2: Convert to fraction form
    58,185.12/87,078.96 = 35,988.96/x
  3. Step 3: Cross multiply
    58,185.12x = 87,078.96 × 35,988.96
  4. Step 4: Simplify right side
    58,185.12x = 3,133,881,208.28
  5. Step 5: Solve for x
    x = 3,133,881,208.28/58,185.12
  6. Step 6: Final answer
    x = 53,860.53

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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.