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Finding the Fourth Proportional to 112,604.88, 168,931.40 and 41,527.72

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Solution

The fourth proportional to 112,604.88, 168,931.40 and 41,527.72 is: 62,300.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,604.88 : 168,931.40 = 41,527.72 : x
  2. Step 2: Convert to fraction form
    112,604.88/168,931.40 = 41,527.72/x
  3. Step 3: Cross multiply
    112,604.88x = 168,931.40 × 41,527.72
  4. Step 4: Simplify right side
    112,604.88x = 7,015,335,878.41
  5. Step 5: Solve for x
    x = 7,015,335,878.41/112,604.88
  6. Step 6: Final answer
    x = 62,300.46

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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.