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Finding the Fourth Proportional to 184,989.59, 255,285.63 and 100,106.65

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Solution

The fourth proportional to 184,989.59, 255,285.63 and 100,106.65 is: 138,147.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,989.59 : 255,285.63 = 100,106.65 : x
  2. Step 2: Convert to fraction form
    184,989.59/255,285.63 = 100,106.65/x
  3. Step 3: Cross multiply
    184,989.59x = 255,285.63 × 100,106.65
  4. Step 4: Simplify right side
    184,989.59x = 25,555,788,672.78
  5. Step 5: Solve for x
    x = 25,555,788,672.78/184,989.59
  6. Step 6: Final answer
    x = 138,147.17

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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.