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Finding the Fourth Proportional to 185,558.76, 278,353.08 and 52,440.12

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Solution

The fourth proportional to 185,558.76, 278,353.08 and 52,440.12 is: 78,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,558.76 : 278,353.08 = 52,440.12 : x
  2. Step 2: Convert to fraction form
    185,558.76/278,353.08 = 52,440.12/x
  3. Step 3: Cross multiply
    185,558.76x = 278,353.08 × 52,440.12
  4. Step 4: Simplify right side
    185,558.76x = 14,596,868,917.57
  5. Step 5: Solve for x
    x = 14,596,868,917.57/185,558.76
  6. Step 6: Final answer
    x = 78,664.40

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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.