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Finding the Fourth Proportional to 117,459.97, 162,095.95 and 63,745.45

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Solution

The fourth proportional to 117,459.97, 162,095.95 and 63,745.45 is: 87,969.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,459.97 : 162,095.95 = 63,745.45 : x
  2. Step 2: Convert to fraction form
    117,459.97/162,095.95 = 63,745.45/x
  3. Step 3: Cross multiply
    117,459.97x = 162,095.95 × 63,745.45
  4. Step 4: Simplify right side
    117,459.97x = 10,332,879,275.93
  5. Step 5: Solve for x
    x = 10,332,879,275.93/117,459.97
  6. Step 6: Final answer
    x = 87,969.37

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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.