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Finding the Fourth Proportional to 172,576.58, 238,229.16 and 116,020.76

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Solution

The fourth proportional to 172,576.58, 238,229.16 and 116,020.76 is: 160,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,576.58 : 238,229.16 = 116,020.76 : x
  2. Step 2: Convert to fraction form
    172,576.58/238,229.16 = 116,020.76/x
  3. Step 3: Cross multiply
    172,576.58x = 238,229.16 × 116,020.76
  4. Step 4: Simplify right side
    172,576.58x = 27,639,528,197.36
  5. Step 5: Solve for x
    x = 27,639,528,197.36/172,576.58
  6. Step 6: Final answer
    x = 160,158.05

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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.