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Finding the Fourth Proportional to 117,465.97, 162,104.25 and 63,751.45

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Solution

The fourth proportional to 117,465.97, 162,104.25 and 63,751.45 is: 87,977.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,465.97 : 162,104.25 = 63,751.45 : x
  2. Step 2: Convert to fraction form
    117,465.97/162,104.25 = 63,751.45/x
  3. Step 3: Cross multiply
    117,465.97x = 162,104.25 × 63,751.45
  4. Step 4: Simplify right side
    117,465.97x = 10,334,380,988.66
  5. Step 5: Solve for x
    x = 10,334,380,988.66/117,465.97
  6. Step 6: Final answer
    x = 87,977.66

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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.