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Finding the Fourth Proportional to 113,325.51, 156,336.78 and 67,924.68

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Solution

The fourth proportional to 113,325.51, 156,336.78 and 67,924.68 is: 93,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,325.51 : 156,336.78 = 67,924.68 : x
  2. Step 2: Convert to fraction form
    113,325.51/156,336.78 = 67,924.68/x
  3. Step 3: Cross multiply
    113,325.51x = 156,336.78 × 67,924.68
  4. Step 4: Simplify right side
    113,325.51x = 10,619,125,422.19
  5. Step 5: Solve for x
    x = 10,619,125,422.19/113,325.51
  6. Step 6: Final answer
    x = 93,704.63

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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.