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Finding the Fourth Proportional to 188,461.33, 260,073.71 and 103,576.57

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Solution

The fourth proportional to 188,461.33, 260,073.71 and 103,576.57 is: 142,934.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,461.33 : 260,073.71 = 103,576.57 : x
  2. Step 2: Convert to fraction form
    188,461.33/260,073.71 = 103,576.57/x
  3. Step 3: Cross multiply
    188,461.33x = 260,073.71 × 103,576.57
  4. Step 4: Simplify right side
    188,461.33x = 26,937,542,828.97
  5. Step 5: Solve for x
    x = 26,937,542,828.97/188,461.33
  6. Step 6: Final answer
    x = 142,934.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.