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Finding the Fourth Proportional to 118,591.58, 163,660.26 and 67,603.39

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Solution

The fourth proportional to 118,591.58, 163,660.26 and 67,603.39 is: 93,294.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,591.58 : 163,660.26 = 67,603.39 : x
  2. Step 2: Convert to fraction form
    118,591.58/163,660.26 = 67,603.39/x
  3. Step 3: Cross multiply
    118,591.58x = 163,660.26 × 67,603.39
  4. Step 4: Simplify right side
    118,591.58x = 11,063,988,384.28
  5. Step 5: Solve for x
    x = 11,063,988,384.28/118,591.58
  6. Step 6: Final answer
    x = 93,294.89

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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.