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Finding the Fourth Proportional to 117,460.52, 162,095.63 and 63,745.55

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Solution

The fourth proportional to 117,460.52, 162,095.63 and 63,745.55 is: 87,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,460.52 : 162,095.63 = 63,745.55 : x
  2. Step 2: Convert to fraction form
    117,460.52/162,095.63 = 63,745.55/x
  3. Step 3: Cross multiply
    117,460.52x = 162,095.63 × 63,745.55
  4. Step 4: Simplify right side
    117,460.52x = 10,332,875,086.95
  5. Step 5: Solve for x
    x = 10,332,875,086.95/117,460.52
  6. Step 6: Final answer
    x = 87,968.92

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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.