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Finding the Fourth Proportional to 187,698.95, 281,570.29 and 61,348.67

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Solution

The fourth proportional to 187,698.95, 281,570.29 and 61,348.67 is: 92,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,698.95 : 281,570.29 = 61,348.67 : x
  2. Step 2: Convert to fraction form
    187,698.95/281,570.29 = 61,348.67/x
  3. Step 3: Cross multiply
    187,698.95x = 281,570.29 × 61,348.67
  4. Step 4: Simplify right side
    187,698.95x = 17,273,962,642.77
  5. Step 5: Solve for x
    x = 17,273,962,642.77/187,698.95
  6. Step 6: Final answer
    x = 92,030.15

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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.