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Finding the Fourth Proportional to 373,708.12, 560,228.84 and 136,995.54

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Solution

The fourth proportional to 373,708.12, 560,228.84 and 136,995.54 is: 205,371.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,708.12 : 560,228.84 = 136,995.54 : x
  2. Step 2: Convert to fraction form
    373,708.12/560,228.84 = 136,995.54/x
  3. Step 3: Cross multiply
    373,708.12x = 560,228.84 × 136,995.54
  4. Step 4: Simplify right side
    373,708.12x = 76,748,852,459.37
  5. Step 5: Solve for x
    x = 76,748,852,459.37/373,708.12
  6. Step 6: Final answer
    x = 205,371.11

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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.