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Finding the Fourth Proportional to 173,491.58, 239,415.26 and 98,038.46

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Solution

The fourth proportional to 173,491.58, 239,415.26 and 98,038.46 is: 135,291.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,491.58 : 239,415.26 = 98,038.46 : x
  2. Step 2: Convert to fraction form
    173,491.58/239,415.26 = 98,038.46/x
  3. Step 3: Cross multiply
    173,491.58x = 239,415.26 × 98,038.46
  4. Step 4: Simplify right side
    173,491.58x = 23,471,903,390.90
  5. Step 5: Solve for x
    x = 23,471,903,390.90/173,491.58
  6. Step 6: Final answer
    x = 135,291.31

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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.