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Finding the Fourth Proportional to 407,087.84, 610,200.52 and 136,958.74

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Solution

The fourth proportional to 407,087.84, 610,200.52 and 136,958.74 is: 205,293.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,087.84 : 610,200.52 = 136,958.74 : x
  2. Step 2: Convert to fraction form
    407,087.84/610,200.52 = 136,958.74/x
  3. Step 3: Cross multiply
    407,087.84x = 610,200.52 × 136,958.74
  4. Step 4: Simplify right side
    407,087.84x = 83,572,294,366.54
  5. Step 5: Solve for x
    x = 83,572,294,366.54/407,087.84
  6. Step 6: Final answer
    x = 205,293.03

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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.