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Finding the Fourth Proportional to 113,440.50, 170,048.03 and 54,207

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Solution

The fourth proportional to 113,440.50, 170,048.03 and 54,207 is: 81,256.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,440.50 : 170,048.03 = 54,207 : x
  2. Step 2: Convert to fraction form
    113,440.50/170,048.03 = 54,207/x
  3. Step 3: Cross multiply
    113,440.50x = 170,048.03 × 54,207
  4. Step 4: Simplify right side
    113,440.50x = 9,217,793,291.18
  5. Step 5: Solve for x
    x = 9,217,793,291.18/113,440.50
  6. Step 6: Final answer
    x = 81,256.63

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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.