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Finding the Fourth Proportional to 119,233.44, 164,485.44 and 85,718.88

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Solution

The fourth proportional to 119,233.44, 164,485.44 and 85,718.88 is: 118,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,233.44 : 164,485.44 = 85,718.88 : x
  2. Step 2: Convert to fraction form
    119,233.44/164,485.44 = 85,718.88/x
  3. Step 3: Cross multiply
    119,233.44x = 164,485.44 × 85,718.88
  4. Step 4: Simplify right side
    119,233.44x = 14,099,507,693.11
  5. Step 5: Solve for x
    x = 14,099,507,693.11/119,233.44
  6. Step 6: Final answer
    x = 118,251.29

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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.