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Finding the Fourth Proportional to 174,228, 240,508.08 and 117,715.92

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Solution

The fourth proportional to 174,228, 240,508.08 and 117,715.92 is: 162,497.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,228 : 240,508.08 = 117,715.92 : x
  2. Step 2: Convert to fraction form
    174,228/240,508.08 = 117,715.92/x
  3. Step 3: Cross multiply
    174,228x = 240,508.08 × 117,715.92
  4. Step 4: Simplify right side
    174,228x = 28,311,629,904.63
  5. Step 5: Solve for x
    x = 28,311,629,904.63/174,228
  6. Step 6: Final answer
    x = 162,497.59

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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.