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Finding the Fourth Proportional to 187,054.24, 258,092.56 and 111,588

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Solution

The fourth proportional to 187,054.24, 258,092.56 and 111,588 is: 153,966.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,054.24 : 258,092.56 = 111,588 : x
  2. Step 2: Convert to fraction form
    187,054.24/258,092.56 = 111,588/x
  3. Step 3: Cross multiply
    187,054.24x = 258,092.56 × 111,588
  4. Step 4: Simplify right side
    187,054.24x = 28,800,032,585.28
  5. Step 5: Solve for x
    x = 28,800,032,585.28/187,054.24
  6. Step 6: Final answer
    x = 153,966.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.