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Finding the Fourth Proportional to 105,510.92, 146,351.27 and 101,729.48

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Solution

The fourth proportional to 105,510.92, 146,351.27 and 101,729.48 is: 141,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,510.92 : 146,351.27 = 101,729.48 : x
  2. Step 2: Convert to fraction form
    105,510.92/146,351.27 = 101,729.48/x
  3. Step 3: Cross multiply
    105,510.92x = 146,351.27 × 101,729.48
  4. Step 4: Simplify right side
    105,510.92x = 14,888,238,594.44
  5. Step 5: Solve for x
    x = 14,888,238,594.44/105,510.92
  6. Step 6: Final answer
    x = 141,106.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.