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Finding the Fourth Proportional to 107,480.64, 161,220.72 and 28,594.88

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Solution

The fourth proportional to 107,480.64, 161,220.72 and 28,594.88 is: 42,892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,480.64 : 161,220.72 = 28,594.88 : x
  2. Step 2: Convert to fraction form
    107,480.64/161,220.72 = 28,594.88/x
  3. Step 3: Cross multiply
    107,480.64x = 161,220.72 × 28,594.88
  4. Step 4: Simplify right side
    107,480.64x = 4,610,087,141.91
  5. Step 5: Solve for x
    x = 4,610,087,141.91/107,480.64
  6. Step 6: Final answer
    x = 42,892.26

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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.