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Finding the Fourth Proportional to 174,354.59, 240,634.70 and 97,905.31

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Solution

The fourth proportional to 174,354.59, 240,634.70 and 97,905.31 is: 135,123.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,354.59 : 240,634.70 = 97,905.31 : x
  2. Step 2: Convert to fraction form
    174,354.59/240,634.70 = 97,905.31/x
  3. Step 3: Cross multiply
    174,354.59x = 240,634.70 × 97,905.31
  4. Step 4: Simplify right side
    174,354.59x = 23,559,414,176.29
  5. Step 5: Solve for x
    x = 23,559,414,176.29/174,354.59
  6. Step 6: Final answer
    x = 135,123.57

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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.