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Finding the Fourth Proportional to 317,141.52, 437,655.48 and 173,898.60

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Solution

The fourth proportional to 317,141.52, 437,655.48 and 173,898.60 is: 239,980.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,141.52 : 437,655.48 = 173,898.60 : x
  2. Step 2: Convert to fraction form
    317,141.52/437,655.48 = 173,898.60/x
  3. Step 3: Cross multiply
    317,141.52x = 437,655.48 × 173,898.60
  4. Step 4: Simplify right side
    317,141.52x = 76,107,675,254.33
  5. Step 5: Solve for x
    x = 76,107,675,254.33/317,141.52
  6. Step 6: Final answer
    x = 239,980.17

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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.