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Finding the Fourth Proportional to 192,444.75, 265,574.16 and 128,934.27

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Solution

The fourth proportional to 192,444.75, 265,574.16 and 128,934.27 is: 177,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,444.75 : 265,574.16 = 128,934.27 : x
  2. Step 2: Convert to fraction form
    192,444.75/265,574.16 = 128,934.27/x
  3. Step 3: Cross multiply
    192,444.75x = 265,574.16 × 128,934.27
  4. Step 4: Simplify right side
    192,444.75x = 34,241,610,450.46
  5. Step 5: Solve for x
    x = 34,241,610,450.46/192,444.75
  6. Step 6: Final answer
    x = 177,929.56

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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.