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Finding the Fourth Proportional to 96,576.98, 133,275.81 and 54,135.51

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Solution

The fourth proportional to 96,576.98, 133,275.81 and 54,135.51 is: 74,706.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,576.98 : 133,275.81 = 54,135.51 : x
  2. Step 2: Convert to fraction form
    96,576.98/133,275.81 = 54,135.51/x
  3. Step 3: Cross multiply
    96,576.98x = 133,275.81 × 54,135.51
  4. Step 4: Simplify right side
    96,576.98x = 7,214,954,397.91
  5. Step 5: Solve for x
    x = 7,214,954,397.91/96,576.98
  6. Step 6: Final answer
    x = 74,706.77

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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.