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Finding the Fourth Proportional to 228,653.76, 342,366.24 and 186,360.48

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Solution

The fourth proportional to 228,653.76, 342,366.24 and 186,360.48 is: 279,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,653.76 : 342,366.24 = 186,360.48 : x
  2. Step 2: Convert to fraction form
    228,653.76/342,366.24 = 186,360.48/x
  3. Step 3: Cross multiply
    228,653.76x = 342,366.24 × 186,360.48
  4. Step 4: Simplify right side
    228,653.76x = 63,803,536,822.20
  5. Step 5: Solve for x
    x = 63,803,536,822.20/228,653.76
  6. Step 6: Final answer
    x = 279,039.96

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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.