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Finding the Fourth Proportional to 184,863.36, 255,111.43 and 99,980.42

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Solution

The fourth proportional to 184,863.36, 255,111.43 and 99,980.42 is: 137,972.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,863.36 : 255,111.43 = 99,980.42 : x
  2. Step 2: Convert to fraction form
    184,863.36/255,111.43 = 99,980.42/x
  3. Step 3: Cross multiply
    184,863.36x = 255,111.43 × 99,980.42
  4. Step 4: Simplify right side
    184,863.36x = 25,506,147,918.20
  5. Step 5: Solve for x
    x = 25,506,147,918.20/184,863.36
  6. Step 6: Final answer
    x = 137,972.98

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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.