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Finding the Fourth Proportional to 173,603.36, 260,425.85 and 61,260.38

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Solution

The fourth proportional to 173,603.36, 260,425.85 and 61,260.38 is: 91,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,603.36 : 260,425.85 = 61,260.38 : x
  2. Step 2: Convert to fraction form
    173,603.36/260,425.85 = 61,260.38/x
  3. Step 3: Cross multiply
    173,603.36x = 260,425.85 × 61,260.38
  4. Step 4: Simplify right side
    173,603.36x = 15,953,784,924.39
  5. Step 5: Solve for x
    x = 15,953,784,924.39/173,603.36
  6. Step 6: Final answer
    x = 91,897.90

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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.