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Finding the Fourth Proportional to 192,109.76, 265,079.76 and 107,226.80

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Solution

The fourth proportional to 192,109.76, 265,079.76 and 107,226.80 is: 147,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,109.76 : 265,079.76 = 107,226.80 : x
  2. Step 2: Convert to fraction form
    192,109.76/265,079.76 = 107,226.80/x
  3. Step 3: Cross multiply
    192,109.76x = 265,079.76 × 107,226.80
  4. Step 4: Simplify right side
    192,109.76x = 28,423,654,409.57
  5. Step 5: Solve for x
    x = 28,423,654,409.57/192,109.76
  6. Step 6: Final answer
    x = 147,955.29

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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.