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Finding the Fourth Proportional to 187,699.56, 281,551.50 and 63,040.56

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Solution

The fourth proportional to 187,699.56, 281,551.50 and 63,040.56 is: 94,561.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,699.56 : 281,551.50 = 63,040.56 : x
  2. Step 2: Convert to fraction form
    187,699.56/281,551.50 = 63,040.56/x
  3. Step 3: Cross multiply
    187,699.56x = 281,551.50 × 63,040.56
  4. Step 4: Simplify right side
    187,699.56x = 17,749,164,228.84
  5. Step 5: Solve for x
    x = 17,749,164,228.84/187,699.56
  6. Step 6: Final answer
    x = 94,561.57

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1.5x scale

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.