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Finding the Fourth Proportional to 73,223.52, 109,925.04 and 48,284.40

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Solution

The fourth proportional to 73,223.52, 109,925.04 and 48,284.40 is: 72,485.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,223.52 : 109,925.04 = 48,284.40 : x
  2. Step 2: Convert to fraction form
    73,223.52/109,925.04 = 48,284.40/x
  3. Step 3: Cross multiply
    73,223.52x = 109,925.04 × 48,284.40
  4. Step 4: Simplify right side
    73,223.52x = 5,307,664,601.38
  5. Step 5: Solve for x
    x = 5,307,664,601.38/73,223.52
  6. Step 6: Final answer
    x = 72,485.79

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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.