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Finding the Fourth Proportional to 173,293.80, 259,503.30 and 113,807.40

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Solution

The fourth proportional to 173,293.80, 259,503.30 and 113,807.40 is: 170,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,293.80 : 259,503.30 = 113,807.40 : x
  2. Step 2: Convert to fraction form
    173,293.80/259,503.30 = 113,807.40/x
  3. Step 3: Cross multiply
    173,293.80x = 259,503.30 × 113,807.40
  4. Step 4: Simplify right side
    173,293.80x = 29,533,395,864.42
  5. Step 5: Solve for x
    x = 29,533,395,864.42/173,293.80
  6. Step 6: Final answer
    x = 170,423.85

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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.