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Finding the Fourth Proportional to 117,496.71, 162,148.20 and 69,750.24

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Solution

The fourth proportional to 117,496.71, 162,148.20 and 69,750.24 is: 96,256.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,496.71 : 162,148.20 = 69,750.24 : x
  2. Step 2: Convert to fraction form
    117,496.71/162,148.20 = 69,750.24/x
  3. Step 3: Cross multiply
    117,496.71x = 162,148.20 × 69,750.24
  4. Step 4: Simplify right side
    117,496.71x = 11,309,875,865.57
  5. Step 5: Solve for x
    x = 11,309,875,865.57/117,496.71
  6. Step 6: Final answer
    x = 96,256.96

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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.