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Finding the Fourth Proportional to 96,970.66, 133,820.32 and 54,528.82

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Solution

The fourth proportional to 96,970.66, 133,820.32 and 54,528.82 is: 75,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,970.66 : 133,820.32 = 54,528.82 : x
  2. Step 2: Convert to fraction form
    96,970.66/133,820.32 = 54,528.82/x
  3. Step 3: Cross multiply
    96,970.66x = 133,820.32 × 54,528.82
  4. Step 4: Simplify right side
    96,970.66x = 7,297,064,141.62
  5. Step 5: Solve for x
    x = 7,297,064,141.62/96,970.66
  6. Step 6: Final answer
    x = 75,250.23

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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.