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Finding the Fourth Proportional to 116,520, 174,765.12 and 37,626

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Solution

The fourth proportional to 116,520, 174,765.12 and 37,626 is: 56,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,520 : 174,765.12 = 37,626 : x
  2. Step 2: Convert to fraction form
    116,520/174,765.12 = 37,626/x
  3. Step 3: Cross multiply
    116,520x = 174,765.12 × 37,626
  4. Step 4: Simplify right side
    116,520x = 6,575,712,405.12
  5. Step 5: Solve for x
    x = 6,575,712,405.12/116,520
  6. Step 6: Final answer
    x = 56,434.20

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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.