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Finding the Fourth Proportional to 117,409.60, 176,114.40 and 95,291.20

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Solution

The fourth proportional to 117,409.60, 176,114.40 and 95,291.20 is: 142,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,409.60 : 176,114.40 = 95,291.20 : x
  2. Step 2: Convert to fraction form
    117,409.60/176,114.40 = 95,291.20/x
  3. Step 3: Cross multiply
    117,409.60x = 176,114.40 × 95,291.20
  4. Step 4: Simplify right side
    117,409.60x = 16,782,152,513.28
  5. Step 5: Solve for x
    x = 16,782,152,513.28/117,409.60
  6. Step 6: Final answer
    x = 142,936.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.