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Finding the Fourth Proportional to 184,873, 255,123.84 and 99,988.24

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Solution

The fourth proportional to 184,873, 255,123.84 and 99,988.24 is: 137,983.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,873 : 255,123.84 = 99,988.24 : x
  2. Step 2: Convert to fraction form
    184,873/255,123.84 = 99,988.24/x
  3. Step 3: Cross multiply
    184,873x = 255,123.84 × 99,988.24
  4. Step 4: Simplify right side
    184,873x = 25,509,383,743.64
  5. Step 5: Solve for x
    x = 25,509,383,743.64/184,873
  6. Step 6: Final answer
    x = 137,983.28

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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.