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Finding the Fourth Proportional to 118,773.22, 163,907.12 and 65,059.13

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Solution

The fourth proportional to 118,773.22, 163,907.12 and 65,059.13 is: 89,781.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,773.22 : 163,907.12 = 65,059.13 : x
  2. Step 2: Convert to fraction form
    118,773.22/163,907.12 = 65,059.13/x
  3. Step 3: Cross multiply
    118,773.22x = 163,907.12 × 65,059.13
  4. Step 4: Simplify right side
    118,773.22x = 10,663,654,628.01
  5. Step 5: Solve for x
    x = 10,663,654,628.01/118,773.22
  6. Step 6: Final answer
    x = 89,781.64

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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.