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Finding the Fourth Proportional to 371,527.82, 557,219.18 and 118,740.50

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Solution

The fourth proportional to 371,527.82, 557,219.18 and 118,740.50 is: 178,087.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,527.82 : 557,219.18 = 118,740.50 : x
  2. Step 2: Convert to fraction form
    371,527.82/557,219.18 = 118,740.50/x
  3. Step 3: Cross multiply
    371,527.82x = 557,219.18 × 118,740.50
  4. Step 4: Simplify right side
    371,527.82x = 66,164,484,042.79
  5. Step 5: Solve for x
    x = 66,164,484,042.79/371,527.82
  6. Step 6: Final answer
    x = 178,087.56

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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.