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Finding the Fourth Proportional to 373,128.04, 559,686.30 and 92,647.72

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Solution

The fourth proportional to 373,128.04, 559,686.30 and 92,647.72 is: 138,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,128.04 : 559,686.30 = 92,647.72 : x
  2. Step 2: Convert to fraction form
    373,128.04/559,686.30 = 92,647.72/x
  3. Step 3: Cross multiply
    373,128.04x = 559,686.30 × 92,647.72
  4. Step 4: Simplify right side
    373,128.04x = 51,853,659,610.24
  5. Step 5: Solve for x
    x = 51,853,659,610.24/373,128.04
  6. Step 6: Final answer
    x = 138,970.15

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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.