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Finding the Fourth Proportional to 185,224.60, 255,609.90 and 100,341.64

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Solution

The fourth proportional to 185,224.60, 255,609.90 and 100,341.64 is: 138,471.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,224.60 : 255,609.90 = 100,341.64 : x
  2. Step 2: Convert to fraction form
    185,224.60/255,609.90 = 100,341.64/x
  3. Step 3: Cross multiply
    185,224.60x = 255,609.90 × 100,341.64
  4. Step 4: Simplify right side
    185,224.60x = 25,648,316,566.24
  5. Step 5: Solve for x
    x = 25,648,316,566.24/185,224.60
  6. Step 6: Final answer
    x = 138,471.44

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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.