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Finding the Fourth Proportional to 173,385.80, 260,078.70 and 173,385.80

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Solution

The fourth proportional to 173,385.80, 260,078.70 and 173,385.80 is: 260,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,385.80 : 260,078.70 = 173,385.80 : x
  2. Step 2: Convert to fraction form
    173,385.80/260,078.70 = 173,385.80/x
  3. Step 3: Cross multiply
    173,385.80x = 260,078.70 × 173,385.80
  4. Step 4: Simplify right side
    173,385.80x = 45,093,953,462.46
  5. Step 5: Solve for x
    x = 45,093,953,462.46/173,385.80
  6. Step 6: Final answer
    x = 260,078.70

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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.