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Finding the Fourth Proportional to 187,880.77, 281,855.76 and 61,528.06

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Solution

The fourth proportional to 187,880.77, 281,855.76 and 61,528.06 is: 92,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,880.77 : 281,855.76 = 61,528.06 : x
  2. Step 2: Convert to fraction form
    187,880.77/281,855.76 = 61,528.06/x
  3. Step 3: Cross multiply
    187,880.77x = 281,855.76 × 61,528.06
  4. Step 4: Simplify right side
    187,880.77x = 17,342,038,112.63
  5. Step 5: Solve for x
    x = 17,342,038,112.63/187,880.77
  6. Step 6: Final answer
    x = 92,303.42

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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.