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Finding the Fourth Proportional to 116,170.32, 174,255.48 and 28,618.32

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Solution

The fourth proportional to 116,170.32, 174,255.48 and 28,618.32 is: 42,927.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,170.32 : 174,255.48 = 28,618.32 : x
  2. Step 2: Convert to fraction form
    116,170.32/174,255.48 = 28,618.32/x
  3. Step 3: Cross multiply
    116,170.32x = 174,255.48 × 28,618.32
  4. Step 4: Simplify right side
    116,170.32x = 4,986,899,088.39
  5. Step 5: Solve for x
    x = 4,986,899,088.39/116,170.32
  6. Step 6: Final answer
    x = 42,927.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.