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Finding the Fourth Proportional to 187,562.48, 258,838.88 and 105,895.37

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Solution

The fourth proportional to 187,562.48, 258,838.88 and 105,895.37 is: 146,137.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,562.48 : 258,838.88 = 105,895.37 : x
  2. Step 2: Convert to fraction form
    187,562.48/258,838.88 = 105,895.37/x
  3. Step 3: Cross multiply
    187,562.48x = 258,838.88 × 105,895.37
  4. Step 4: Simplify right side
    187,562.48x = 27,409,839,085.61
  5. Step 5: Solve for x
    x = 27,409,839,085.61/187,562.48
  6. Step 6: Final answer
    x = 146,137.12

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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.