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Finding the Fourth Proportional to 185,270.64, 255,678.22 and 113,690.22

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Solution

The fourth proportional to 185,270.64, 255,678.22 and 113,690.22 is: 156,895.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,270.64 : 255,678.22 = 113,690.22 : x
  2. Step 2: Convert to fraction form
    185,270.64/255,678.22 = 113,690.22/x
  3. Step 3: Cross multiply
    185,270.64x = 255,678.22 × 113,690.22
  4. Step 4: Simplify right side
    185,270.64x = 29,068,113,081.01
  5. Step 5: Solve for x
    x = 29,068,113,081.01/185,270.64
  6. Step 6: Final answer
    x = 156,895.41

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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.