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Finding the Fourth Proportional to 117,760.94, 162,452.89 and 69,980.46

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Solution

The fourth proportional to 117,760.94, 162,452.89 and 69,980.46 is: 96,539.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,760.94 : 162,452.89 = 69,980.46 : x
  2. Step 2: Convert to fraction form
    117,760.94/162,452.89 = 69,980.46/x
  3. Step 3: Cross multiply
    117,760.94x = 162,452.89 × 69,980.46
  4. Step 4: Simplify right side
    117,760.94x = 11,368,527,448.81
  5. Step 5: Solve for x
    x = 11,368,527,448.81/117,760.94
  6. Step 6: Final answer
    x = 96,539.04

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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.