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Finding the Fourth Proportional to 96,648.12, 133,347.06 and 62,658

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Solution

The fourth proportional to 96,648.12, 133,347.06 and 62,658 is: 86,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,648.12 : 133,347.06 = 62,658 : x
  2. Step 2: Convert to fraction form
    96,648.12/133,347.06 = 62,658/x
  3. Step 3: Cross multiply
    96,648.12x = 133,347.06 × 62,658
  4. Step 4: Simplify right side
    96,648.12x = 8,355,260,085.48
  5. Step 5: Solve for x
    x = 8,355,260,085.48/96,648.12
  6. Step 6: Final answer
    x = 86,450.31

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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.