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Finding the Fourth Proportional to 114,879.37, 158,510.09 and 67,123.48

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Solution

The fourth proportional to 114,879.37, 158,510.09 and 67,123.48 is: 92,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,879.37 : 158,510.09 = 67,123.48 : x
  2. Step 2: Convert to fraction form
    114,879.37/158,510.09 = 67,123.48/x
  3. Step 3: Cross multiply
    114,879.37x = 158,510.09 × 67,123.48
  4. Step 4: Simplify right side
    114,879.37x = 10,639,748,124.02
  5. Step 5: Solve for x
    x = 10,639,748,124.02/114,879.37
  6. Step 6: Final answer
    x = 92,616.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.