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Finding the Fourth Proportional to 187,577.98, 258,871.98 and 107,007.28

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Solution

The fourth proportional to 187,577.98, 258,871.98 and 107,007.28 is: 147,678.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,577.98 : 258,871.98 = 107,007.28 : x
  2. Step 2: Convert to fraction form
    187,577.98/258,871.98 = 107,007.28/x
  3. Step 3: Cross multiply
    187,577.98x = 258,871.98 × 107,007.28
  4. Step 4: Simplify right side
    187,577.98x = 27,701,186,202.11
  5. Step 5: Solve for x
    x = 27,701,186,202.11/187,577.98
  6. Step 6: Final answer
    x = 147,678.24

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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.