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Finding the Fourth Proportional to 117,480.68, 162,123.34 and 63,765.68

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Solution

The fourth proportional to 117,480.68, 162,123.34 and 63,765.68 is: 87,996.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,480.68 : 162,123.34 = 63,765.68 : x
  2. Step 2: Convert to fraction form
    117,480.68/162,123.34 = 63,765.68/x
  3. Step 3: Cross multiply
    117,480.68x = 162,123.34 × 63,765.68
  4. Step 4: Simplify right side
    117,480.68x = 10,337,904,208.35
  5. Step 5: Solve for x
    x = 10,337,904,208.35/117,480.68
  6. Step 6: Final answer
    x = 87,996.64

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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.