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Finding the Fourth Proportional to 123,124.32, 184,725.36 and 53,036.64

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Solution

The fourth proportional to 123,124.32, 184,725.36 and 53,036.64 is: 79,571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,124.32 : 184,725.36 = 53,036.64 : x
  2. Step 2: Convert to fraction form
    123,124.32/184,725.36 = 53,036.64/x
  3. Step 3: Cross multiply
    123,124.32x = 184,725.36 × 53,036.64
  4. Step 4: Simplify right side
    123,124.32x = 9,797,212,417.19
  5. Step 5: Solve for x
    x = 9,797,212,417.19/123,124.32
  6. Step 6: Final answer
    x = 79,571.71

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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.