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Finding the Fourth Proportional to 344,686.07, 517,043.02 and 120,069.23

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Solution

The fourth proportional to 344,686.07, 517,043.02 and 120,069.23 is: 180,108.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,686.07 : 517,043.02 = 120,069.23 : x
  2. Step 2: Convert to fraction form
    344,686.07/517,043.02 = 120,069.23/x
  3. Step 3: Cross multiply
    344,686.07x = 517,043.02 × 120,069.23
  4. Step 4: Simplify right side
    344,686.07x = 62,080,954,402.89
  5. Step 5: Solve for x
    x = 62,080,954,402.89/344,686.07
  6. Step 6: Final answer
    x = 180,108.68

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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.