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Finding the Fourth Proportional to 188,440.40, 282,660.60 and 62,080.40

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Solution

The fourth proportional to 188,440.40, 282,660.60 and 62,080.40 is: 93,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,440.40 : 282,660.60 = 62,080.40 : x
  2. Step 2: Convert to fraction form
    188,440.40/282,660.60 = 62,080.40/x
  3. Step 3: Cross multiply
    188,440.40x = 282,660.60 × 62,080.40
  4. Step 4: Simplify right side
    188,440.40x = 17,547,683,112.24
  5. Step 5: Solve for x
    x = 17,547,683,112.24/188,440.40
  6. Step 6: Final answer
    x = 93,120.60

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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.