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Finding the Fourth Proportional to 316,750.94, 437,117.56 and 173,511.98

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Solution

The fourth proportional to 316,750.94, 437,117.56 and 173,511.98 is: 239,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,750.94 : 437,117.56 = 173,511.98 : x
  2. Step 2: Convert to fraction form
    316,750.94/437,117.56 = 173,511.98/x
  3. Step 3: Cross multiply
    316,750.94x = 437,117.56 × 173,511.98
  4. Step 4: Simplify right side
    316,750.94x = 75,845,132,460.81
  5. Step 5: Solve for x
    x = 75,845,132,460.81/316,750.94
  6. Step 6: Final answer
    x = 239,447.22

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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.