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Finding the Fourth Proportional to 187,416, 281,153.25 and 61,026.39

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Solution

The fourth proportional to 187,416, 281,153.25 and 61,026.39 is: 91,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,416 : 281,153.25 = 61,026.39 : x
  2. Step 2: Convert to fraction form
    187,416/281,153.25 = 61,026.39/x
  3. Step 3: Cross multiply
    187,416x = 281,153.25 × 61,026.39
  4. Step 4: Simplify right side
    187,416x = 17,157,767,884.27
  5. Step 5: Solve for x
    x = 17,157,767,884.27/187,416
  6. Step 6: Final answer
    x = 91,549.11

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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.