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Finding the Fourth Proportional to 117,483.56, 162,124.74 and 63,768.68

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Solution

The fourth proportional to 117,483.56, 162,124.74 and 63,768.68 is: 87,999.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,483.56 : 162,124.74 = 63,768.68 : x
  2. Step 2: Convert to fraction form
    117,483.56/162,124.74 = 63,768.68/x
  3. Step 3: Cross multiply
    117,483.56x = 162,124.74 × 63,768.68
  4. Step 4: Simplify right side
    117,483.56x = 10,338,480,665.14
  5. Step 5: Solve for x
    x = 10,338,480,665.14/117,483.56
  6. Step 6: Final answer
    x = 87,999.38

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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.