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Finding the Fourth Proportional to 104,307.61, 156,420.47 and 36,825.24

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Solution

The fourth proportional to 104,307.61, 156,420.47 and 36,825.24 is: 55,223.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,307.61 : 156,420.47 = 36,825.24 : x
  2. Step 2: Convert to fraction form
    104,307.61/156,420.47 = 36,825.24/x
  3. Step 3: Cross multiply
    104,307.61x = 156,420.47 × 36,825.24
  4. Step 4: Simplify right side
    104,307.61x = 5,760,221,498.16
  5. Step 5: Solve for x
    x = 5,760,221,498.16/104,307.61
  6. Step 6: Final answer
    x = 55,223.41

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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.