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Finding the Fourth Proportional to 136,125.08, 204,187.86 and 53,019.08

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Solution

The fourth proportional to 136,125.08, 204,187.86 and 53,019.08 is: 79,528.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,125.08 : 204,187.86 = 53,019.08 : x
  2. Step 2: Convert to fraction form
    136,125.08/204,187.86 = 53,019.08/x
  3. Step 3: Cross multiply
    136,125.08x = 204,187.86 × 53,019.08
  4. Step 4: Simplify right side
    136,125.08x = 10,825,852,484.37
  5. Step 5: Solve for x
    x = 10,825,852,484.37/136,125.08
  6. Step 6: Final answer
    x = 79,528.71

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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.