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Finding the Fourth Proportional to 186,740.40, 280,110.60 and 62,081.40

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Solution

The fourth proportional to 186,740.40, 280,110.60 and 62,081.40 is: 93,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,740.40 : 280,110.60 = 62,081.40 : x
  2. Step 2: Convert to fraction form
    186,740.40/280,110.60 = 62,081.40/x
  3. Step 3: Cross multiply
    186,740.40x = 280,110.60 × 62,081.40
  4. Step 4: Simplify right side
    186,740.40x = 17,389,658,202.84
  5. Step 5: Solve for x
    x = 17,389,658,202.84/186,740.40
  6. Step 6: Final answer
    x = 93,122.10

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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.