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Finding the Fourth Proportional to 136,784.79, 205,224.57 and 48,050.91

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Solution

The fourth proportional to 136,784.79, 205,224.57 and 48,050.91 is: 72,093.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,784.79 : 205,224.57 = 48,050.91 : x
  2. Step 2: Convert to fraction form
    136,784.79/205,224.57 = 48,050.91/x
  3. Step 3: Cross multiply
    136,784.79x = 205,224.57 × 48,050.91
  4. Step 4: Simplify right side
    136,784.79x = 9,861,227,342.86
  5. Step 5: Solve for x
    x = 9,861,227,342.86/136,784.79
  6. Step 6: Final answer
    x = 72,093.01

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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.