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Finding the Fourth Proportional to 184,863.84, 255,110.88 and 99,980.64

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Solution

The fourth proportional to 184,863.84, 255,110.88 and 99,980.64 is: 137,972.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,863.84 : 255,110.88 = 99,980.64 : x
  2. Step 2: Convert to fraction form
    184,863.84/255,110.88 = 99,980.64/x
  3. Step 3: Cross multiply
    184,863.84x = 255,110.88 × 99,980.64
  4. Step 4: Simplify right side
    184,863.84x = 25,506,149,053.36
  5. Step 5: Solve for x
    x = 25,506,149,053.36/184,863.84
  6. Step 6: Final answer
    x = 137,972.62

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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.