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Finding the Fourth Proportional to 117,616.36, 162,336.24 and 72,333.30

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Solution

The fourth proportional to 117,616.36, 162,336.24 and 72,333.30 is: 99,835.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,616.36 : 162,336.24 = 72,333.30 : x
  2. Step 2: Convert to fraction form
    117,616.36/162,336.24 = 72,333.30/x
  3. Step 3: Cross multiply
    117,616.36x = 162,336.24 × 72,333.30
  4. Step 4: Simplify right side
    117,616.36x = 11,742,315,948.79
  5. Step 5: Solve for x
    x = 11,742,315,948.79/117,616.36
  6. Step 6: Final answer
    x = 99,835.74

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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.