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Finding the Fourth Proportional to 373,353.80, 560,030.70 and 136,617.80

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Solution

The fourth proportional to 373,353.80, 560,030.70 and 136,617.80 is: 204,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,353.80 : 560,030.70 = 136,617.80 : x
  2. Step 2: Convert to fraction form
    373,353.80/560,030.70 = 136,617.80/x
  3. Step 3: Cross multiply
    373,353.80x = 560,030.70 × 136,617.80
  4. Step 4: Simplify right side
    373,353.80x = 76,510,162,166.46
  5. Step 5: Solve for x
    x = 76,510,162,166.46/373,353.80
  6. Step 6: Final answer
    x = 204,926.70

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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.