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Finding the Fourth Proportional to 373,303.45, 559,957.20 and 92,820.70

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Solution

The fourth proportional to 373,303.45, 559,957.20 and 92,820.70 is: 139,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,303.45 : 559,957.20 = 92,820.70 : x
  2. Step 2: Convert to fraction form
    373,303.45/559,957.20 = 92,820.70/x
  3. Step 3: Cross multiply
    373,303.45x = 559,957.20 × 92,820.70
  4. Step 4: Simplify right side
    373,303.45x = 51,975,619,274.04
  5. Step 5: Solve for x
    x = 51,975,619,274.04/373,303.45
  6. Step 6: Final answer
    x = 139,231.55

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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.