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Finding the Fourth Proportional to 118,532.54, 163,573.31 and 67,548.30

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Solution

The fourth proportional to 118,532.54, 163,573.31 and 67,548.30 is: 93,215.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,532.54 : 163,573.31 = 67,548.30 : x
  2. Step 2: Convert to fraction form
    118,532.54/163,573.31 = 67,548.30/x
  3. Step 3: Cross multiply
    118,532.54x = 163,573.31 × 67,548.30
  4. Step 4: Simplify right side
    118,532.54x = 11,049,098,678.13
  5. Step 5: Solve for x
    x = 11,049,098,678.13/118,532.54
  6. Step 6: Final answer
    x = 93,215.75

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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.