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Finding the Fourth Proportional to 99,342.97, 149,019.60 and 32,788.29

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Solution

The fourth proportional to 99,342.97, 149,019.60 and 32,788.29 is: 49,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,342.97 : 149,019.60 = 32,788.29 : x
  2. Step 2: Convert to fraction form
    99,342.97/149,019.60 = 32,788.29/x
  3. Step 3: Cross multiply
    99,342.97x = 149,019.60 × 32,788.29
  4. Step 4: Simplify right side
    99,342.97x = 4,886,097,860.48
  5. Step 5: Solve for x
    x = 4,886,097,860.48/99,342.97
  6. Step 6: Final answer
    x = 49,184.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.