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Finding the Fourth Proportional to 124,773, 172,186.74 and 68,184.24

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Solution

The fourth proportional to 124,773, 172,186.74 and 68,184.24 is: 94,094.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,773 : 172,186.74 = 68,184.24 : x
  2. Step 2: Convert to fraction form
    124,773/172,186.74 = 68,184.24/x
  3. Step 3: Cross multiply
    124,773x = 172,186.74 × 68,184.24
  4. Step 4: Simplify right side
    124,773x = 11,740,422,004.98
  5. Step 5: Solve for x
    x = 11,740,422,004.98/124,773
  6. Step 6: Final answer
    x = 94,094.25

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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.