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Finding the Fourth Proportional to 187,603.40, 281,405.10 and 94,075.40

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Solution

The fourth proportional to 187,603.40, 281,405.10 and 94,075.40 is: 141,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,603.40 : 281,405.10 = 94,075.40 : x
  2. Step 2: Convert to fraction form
    187,603.40/281,405.10 = 94,075.40/x
  3. Step 3: Cross multiply
    187,603.40x = 281,405.10 × 94,075.40
  4. Step 4: Simplify right side
    187,603.40x = 26,473,297,344.54
  5. Step 5: Solve for x
    x = 26,473,297,344.54/187,603.40
  6. Step 6: Final answer
    x = 141,113.10

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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.