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Finding the Fourth Proportional to 173,875.30, 260,748.15 and 61,512.10

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Solution

The fourth proportional to 173,875.30, 260,748.15 and 61,512.10 is: 92,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,875.30 : 260,748.15 = 61,512.10 : x
  2. Step 2: Convert to fraction form
    173,875.30/260,748.15 = 61,512.10/x
  3. Step 3: Cross multiply
    173,875.30x = 260,748.15 × 61,512.10
  4. Step 4: Simplify right side
    173,875.30x = 16,039,166,277.62
  5. Step 5: Solve for x
    x = 16,039,166,277.62/173,875.30
  6. Step 6: Final answer
    x = 92,245.23

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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.