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Finding the Fourth Proportional to 118,775.52, 163,869.52 and 67,751.60

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Solution

The fourth proportional to 118,775.52, 163,869.52 and 67,751.60 is: 93,473.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,775.52 : 163,869.52 = 67,751.60 : x
  2. Step 2: Convert to fraction form
    118,775.52/163,869.52 = 67,751.60/x
  3. Step 3: Cross multiply
    118,775.52x = 163,869.52 × 67,751.60
  4. Step 4: Simplify right side
    118,775.52x = 11,102,422,171.23
  5. Step 5: Solve for x
    x = 11,102,422,171.23/118,775.52
  6. Step 6: Final answer
    x = 93,473.99

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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.