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Finding the Fourth Proportional to 124,463.25, 171,765.36 and 70,032.47

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Solution

The fourth proportional to 124,463.25, 171,765.36 and 70,032.47 is: 96,648.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,463.25 : 171,765.36 = 70,032.47 : x
  2. Step 2: Convert to fraction form
    124,463.25/171,765.36 = 70,032.47/x
  3. Step 3: Cross multiply
    124,463.25x = 171,765.36 × 70,032.47
  4. Step 4: Simplify right side
    124,463.25x = 12,029,151,562.41
  5. Step 5: Solve for x
    x = 12,029,151,562.41/124,463.25
  6. Step 6: Final answer
    x = 96,648.22

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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.