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Finding the Fourth Proportional to 173,406.64, 260,109.93 and 48,747.64

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Solution

The fourth proportional to 173,406.64, 260,109.93 and 48,747.64 is: 73,121.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,406.64 : 260,109.93 = 48,747.64 : x
  2. Step 2: Convert to fraction form
    173,406.64/260,109.93 = 48,747.64/x
  3. Step 3: Cross multiply
    173,406.64x = 260,109.93 × 48,747.64
  4. Step 4: Simplify right side
    173,406.64x = 12,679,745,228.07
  5. Step 5: Solve for x
    x = 12,679,745,228.07/173,406.64
  6. Step 6: Final answer
    x = 73,121.45

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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.