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Finding the Fourth Proportional to 192,527.28, 265,712.40 and 107,649

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Solution

The fourth proportional to 192,527.28, 265,712.40 and 107,649 is: 148,569.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,527.28 : 265,712.40 = 107,649 : x
  2. Step 2: Convert to fraction form
    192,527.28/265,712.40 = 107,649/x
  3. Step 3: Cross multiply
    192,527.28x = 265,712.40 × 107,649
  4. Step 4: Simplify right side
    192,527.28x = 28,603,674,147.60
  5. Step 5: Solve for x
    x = 28,603,674,147.60/192,527.28
  6. Step 6: Final answer
    x = 148,569.46

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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.