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Finding the Fourth Proportional to 171,124.48, 236,056.99 and 99,496.59

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Solution

The fourth proportional to 171,124.48, 236,056.99 and 99,496.59 is: 137,250.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,124.48 : 236,056.99 = 99,496.59 : x
  2. Step 2: Convert to fraction form
    171,124.48/236,056.99 = 99,496.59/x
  3. Step 3: Cross multiply
    171,124.48x = 236,056.99 × 99,496.59
  4. Step 4: Simplify right side
    171,124.48x = 23,486,865,550.66
  5. Step 5: Solve for x
    x = 23,486,865,550.66/171,124.48
  6. Step 6: Final answer
    x = 137,250.18

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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.