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Finding the Fourth Proportional to 174,238, 240,411.36 and 102,591.88

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Solution

The fourth proportional to 174,238, 240,411.36 and 102,591.88 is: 141,554.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,238 : 240,411.36 = 102,591.88 : x
  2. Step 2: Convert to fraction form
    174,238/240,411.36 = 102,591.88/x
  3. Step 3: Cross multiply
    174,238x = 240,411.36 × 102,591.88
  4. Step 4: Simplify right side
    174,238x = 24,664,253,395.76
  5. Step 5: Solve for x
    x = 24,664,253,395.76/174,238
  6. Step 6: Final answer
    x = 141,554.96

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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.