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Finding the Fourth Proportional to 118,087.48, 176,849.34 and 65,366.20

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Solution

The fourth proportional to 118,087.48, 176,849.34 and 65,366.20 is: 97,893.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,087.48 : 176,849.34 = 65,366.20 : x
  2. Step 2: Convert to fraction form
    118,087.48/176,849.34 = 65,366.20/x
  3. Step 3: Cross multiply
    118,087.48x = 176,849.34 × 65,366.20
  4. Step 4: Simplify right side
    118,087.48x = 11,559,969,328.31
  5. Step 5: Solve for x
    x = 11,559,969,328.31/118,087.48
  6. Step 6: Final answer
    x = 97,893.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.