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Finding the Fourth Proportional to 117,050.67, 161,531.10 and 63,336.74

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Solution

The fourth proportional to 117,050.67, 161,531.10 and 63,336.74 is: 87,405.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,050.67 : 161,531.10 = 63,336.74 : x
  2. Step 2: Convert to fraction form
    117,050.67/161,531.10 = 63,336.74/x
  3. Step 3: Cross multiply
    117,050.67x = 161,531.10 × 63,336.74
  4. Step 4: Simplify right side
    117,050.67x = 10,230,852,474.96
  5. Step 5: Solve for x
    x = 10,230,852,474.96/117,050.67
  6. Step 6: Final answer
    x = 87,405.33

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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.