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Finding the Fourth Proportional to 243,379.08, 365,081.54 and 75,015.04

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Solution

The fourth proportional to 243,379.08, 365,081.54 and 75,015.04 is: 112,526.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,379.08 : 365,081.54 = 75,015.04 : x
  2. Step 2: Convert to fraction form
    243,379.08/365,081.54 = 75,015.04/x
  3. Step 3: Cross multiply
    243,379.08x = 365,081.54 × 75,015.04
  4. Step 4: Simplify right side
    243,379.08x = 27,386,606,326.36
  5. Step 5: Solve for x
    x = 27,386,606,326.36/243,379.08
  6. Step 6: Final answer
    x = 112,526.54

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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.