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Finding the Fourth Proportional to 107,955.88, 148,979.88 and 60,212.32

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Solution

The fourth proportional to 107,955.88, 148,979.88 and 60,212.32 is: 83,093.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,955.88 : 148,979.88 = 60,212.32 : x
  2. Step 2: Convert to fraction form
    107,955.88/148,979.88 = 60,212.32/x
  3. Step 3: Cross multiply
    107,955.88x = 148,979.88 × 60,212.32
  4. Step 4: Simplify right side
    107,955.88x = 8,970,424,208.12
  5. Step 5: Solve for x
    x = 8,970,424,208.12/107,955.88
  6. Step 6: Final answer
    x = 83,093.43

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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.