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Finding the Fourth Proportional to 117,484.56, 162,126.12 and 63,769.68

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Solution

The fourth proportional to 117,484.56, 162,126.12 and 63,769.68 is: 88,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,484.56 : 162,126.12 = 63,769.68 : x
  2. Step 2: Convert to fraction form
    117,484.56/162,126.12 = 63,769.68/x
  3. Step 3: Cross multiply
    117,484.56x = 162,126.12 × 63,769.68
  4. Step 4: Simplify right side
    117,484.56x = 10,338,730,792.04
  5. Step 5: Solve for x
    x = 10,338,730,792.04/117,484.56
  6. Step 6: Final answer
    x = 88,000.76

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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.