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Finding the Fourth Proportional to 173,602.74, 260,424.91 and 61,259.75

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Solution

The fourth proportional to 173,602.74, 260,424.91 and 61,259.75 is: 91,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,602.74 : 260,424.91 = 61,259.75 : x
  2. Step 2: Convert to fraction form
    173,602.74/260,424.91 = 61,259.75/x
  3. Step 3: Cross multiply
    173,602.74x = 260,424.91 × 61,259.75
  4. Step 4: Simplify right side
    173,602.74x = 15,953,564,880.37
  5. Step 5: Solve for x
    x = 15,953,564,880.37/173,602.74
  6. Step 6: Final answer
    x = 91,896.96

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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.