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Finding the Fourth Proportional to 247,204.60, 370,862.09 and 105,054.38

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Solution

The fourth proportional to 247,204.60, 370,862.09 and 105,054.38 is: 157,605.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,204.60 : 370,862.09 = 105,054.38 : x
  2. Step 2: Convert to fraction form
    247,204.60/370,862.09 = 105,054.38/x
  3. Step 3: Cross multiply
    247,204.60x = 370,862.09 × 105,054.38
  4. Step 4: Simplify right side
    247,204.60x = 38,960,686,405.18
  5. Step 5: Solve for x
    x = 38,960,686,405.18/247,204.60
  6. Step 6: Final answer
    x = 157,605.03

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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.