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Finding the Fourth Proportional to 180,406.67, 248,955.07 and 99,837.59

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Solution

The fourth proportional to 180,406.67, 248,955.07 and 99,837.59 is: 137,772.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,406.67 : 248,955.07 = 99,837.59 : x
  2. Step 2: Convert to fraction form
    180,406.67/248,955.07 = 99,837.59/x
  3. Step 3: Cross multiply
    180,406.67x = 248,955.07 × 99,837.59
  4. Step 4: Simplify right side
    180,406.67x = 24,855,073,211.90
  5. Step 5: Solve for x
    x = 24,855,073,211.90/180,406.67
  6. Step 6: Final answer
    x = 137,772.48

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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.