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Finding the Fourth Proportional to 185,242.32, 277,875.72 and 72,913.68

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Solution

The fourth proportional to 185,242.32, 277,875.72 and 72,913.68 is: 109,375.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,242.32 : 277,875.72 = 72,913.68 : x
  2. Step 2: Convert to fraction form
    185,242.32/277,875.72 = 72,913.68/x
  3. Step 3: Cross multiply
    185,242.32x = 277,875.72 × 72,913.68
  4. Step 4: Simplify right side
    185,242.32x = 20,260,941,327.85
  5. Step 5: Solve for x
    x = 20,260,941,327.85/185,242.32
  6. Step 6: Final answer
    x = 109,375.34

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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.