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Finding the Fourth Proportional to 173,829.95, 260,861.78 and 61,509.71

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Solution

The fourth proportional to 173,829.95, 260,861.78 and 61,509.71 is: 92,305.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,829.95 : 260,861.78 = 61,509.71 : x
  2. Step 2: Convert to fraction form
    173,829.95/260,861.78 = 61,509.71/x
  3. Step 3: Cross multiply
    173,829.95x = 260,861.78 × 61,509.71
  4. Step 4: Simplify right side
    173,829.95x = 16,045,533,243.81
  5. Step 5: Solve for x
    x = 16,045,533,243.81/173,829.95
  6. Step 6: Final answer
    x = 92,305.92

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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.