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Finding the Fourth Proportional to 117,644.96, 162,373.61 and 69,889.08

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Solution

The fourth proportional to 117,644.96, 162,373.61 and 69,889.08 is: 96,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,644.96 : 162,373.61 = 69,889.08 : x
  2. Step 2: Convert to fraction form
    117,644.96/162,373.61 = 69,889.08/x
  3. Step 3: Cross multiply
    117,644.96x = 162,373.61 × 69,889.08
  4. Step 4: Simplify right side
    117,644.96x = 11,348,142,089.45
  5. Step 5: Solve for x
    x = 11,348,142,089.45/117,644.96
  6. Step 6: Final answer
    x = 96,460.93

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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.