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Finding the Fourth Proportional to 118,760.69, 163,886.54 and 67,772.48

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Solution

The fourth proportional to 118,760.69, 163,886.54 and 67,772.48 is: 93,524.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,760.69 : 163,886.54 = 67,772.48 : x
  2. Step 2: Convert to fraction form
    118,760.69/163,886.54 = 67,772.48/x
  3. Step 3: Cross multiply
    118,760.69x = 163,886.54 × 67,772.48
  4. Step 4: Simplify right side
    118,760.69x = 11,106,996,915.56
  5. Step 5: Solve for x
    x = 11,106,996,915.56/118,760.69
  6. Step 6: Final answer
    x = 93,524.19

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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.