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Finding the Fourth Proportional to 117,644.88, 162,332.68 and 69,900.24

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Solution

The fourth proportional to 117,644.88, 162,332.68 and 69,900.24 is: 96,452.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,644.88 : 162,332.68 = 69,900.24 : x
  2. Step 2: Convert to fraction form
    117,644.88/162,332.68 = 69,900.24/x
  3. Step 3: Cross multiply
    117,644.88x = 162,332.68 × 69,900.24
  4. Step 4: Simplify right side
    117,644.88x = 11,347,093,291.84
  5. Step 5: Solve for x
    x = 11,347,093,291.84/117,644.88
  6. Step 6: Final answer
    x = 96,452.08

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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.