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Finding the Fourth Proportional to 187,401.40, 281,102.10 and 61,041.40

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Solution

The fourth proportional to 187,401.40, 281,102.10 and 61,041.40 is: 91,562.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,401.40 : 281,102.10 = 61,041.40 : x
  2. Step 2: Convert to fraction form
    187,401.40/281,102.10 = 61,041.40/x
  3. Step 3: Cross multiply
    187,401.40x = 281,102.10 × 61,041.40
  4. Step 4: Simplify right side
    187,401.40x = 17,158,865,726.94
  5. Step 5: Solve for x
    x = 17,158,865,726.94/187,401.40
  6. Step 6: Final answer
    x = 91,562.10

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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.