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Finding the Fourth Proportional to 173,427.64, 260,185.08 and 48,768.64

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Solution

The fourth proportional to 173,427.64, 260,185.08 and 48,768.64 is: 73,165.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,427.64 : 260,185.08 = 48,768.64 : x
  2. Step 2: Convert to fraction form
    173,427.64/260,185.08 = 48,768.64/x
  3. Step 3: Cross multiply
    173,427.64x = 260,185.08 × 48,768.64
  4. Step 4: Simplify right side
    173,427.64x = 12,688,872,499.89
  5. Step 5: Solve for x
    x = 12,688,872,499.89/173,427.64
  6. Step 6: Final answer
    x = 73,165.23

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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.