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Finding the Fourth Proportional to 187,755.51, 281,325.36 and 79,598.45

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Solution

The fourth proportional to 187,755.51, 281,325.36 and 79,598.45 is: 119,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,755.51 : 281,325.36 = 79,598.45 : x
  2. Step 2: Convert to fraction form
    187,755.51/281,325.36 = 79,598.45/x
  3. Step 3: Cross multiply
    187,755.51x = 281,325.36 × 79,598.45
  4. Step 4: Simplify right side
    187,755.51x = 22,393,063,409.53
  5. Step 5: Solve for x
    x = 22,393,063,409.53/187,755.51
  6. Step 6: Final answer
    x = 119,267.15

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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.