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Finding the Fourth Proportional to 173,632.69, 260,530.08 and 61,397.92

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Solution

The fourth proportional to 173,632.69, 260,530.08 and 61,397.92 is: 92,125.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,632.69 : 260,530.08 = 61,397.92 : x
  2. Step 2: Convert to fraction form
    173,632.69/260,530.08 = 61,397.92/x
  3. Step 3: Cross multiply
    173,632.69x = 260,530.08 × 61,397.92
  4. Step 4: Simplify right side
    173,632.69x = 15,996,005,009.43
  5. Step 5: Solve for x
    x = 15,996,005,009.43/173,632.69
  6. Step 6: Final answer
    x = 92,125.54

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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.