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Finding the Fourth Proportional to 184,642.72, 254,807.04 and 99,759.76

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Solution

The fourth proportional to 184,642.72, 254,807.04 and 99,759.76 is: 137,668.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,642.72 : 254,807.04 = 99,759.76 : x
  2. Step 2: Convert to fraction form
    184,642.72/254,807.04 = 99,759.76/x
  3. Step 3: Cross multiply
    184,642.72x = 254,807.04 × 99,759.76
  4. Step 4: Simplify right side
    184,642.72x = 25,419,489,156.71
  5. Step 5: Solve for x
    x = 25,419,489,156.71/184,642.72
  6. Step 6: Final answer
    x = 137,668.52

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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.