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Finding the Fourth Proportional to 173,127.84, 259,725.42 and 66,504

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Solution

The fourth proportional to 173,127.84, 259,725.42 and 66,504 is: 99,768.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,127.84 : 259,725.42 = 66,504 : x
  2. Step 2: Convert to fraction form
    173,127.84/259,725.42 = 66,504/x
  3. Step 3: Cross multiply
    173,127.84x = 259,725.42 × 66,504
  4. Step 4: Simplify right side
    173,127.84x = 17,272,779,331.68
  5. Step 5: Solve for x
    x = 17,272,779,331.68/173,127.84
  6. Step 6: Final answer
    x = 99,768.93

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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.