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Finding the Fourth Proportional to 224,186.40, 336,409.92 and 84,042.72

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Solution

The fourth proportional to 224,186.40, 336,409.92 and 84,042.72 is: 126,112.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,186.40 : 336,409.92 = 84,042.72 : x
  2. Step 2: Convert to fraction form
    224,186.40/336,409.92 = 84,042.72/x
  3. Step 3: Cross multiply
    224,186.40x = 336,409.92 × 84,042.72
  4. Step 4: Simplify right side
    224,186.40x = 28,272,804,711.78
  5. Step 5: Solve for x
    x = 28,272,804,711.78/224,186.40
  6. Step 6: Final answer
    x = 126,112.93

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1.5x scale

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.