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Finding the Fourth Proportional to 117,604.16, 162,293.52 and 63,890.16

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Solution

The fourth proportional to 117,604.16, 162,293.52 and 63,890.16 is: 88,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,604.16 : 162,293.52 = 63,890.16 : x
  2. Step 2: Convert to fraction form
    117,604.16/162,293.52 = 63,890.16/x
  3. Step 3: Cross multiply
    117,604.16x = 162,293.52 × 63,890.16
  4. Step 4: Simplify right side
    117,604.16x = 10,368,958,959.76
  5. Step 5: Solve for x
    x = 10,368,958,959.76/117,604.16
  6. Step 6: Final answer
    x = 88,168.30

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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.