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Finding the Fourth Proportional to 163,066.20, 244,599.30 and 139,738.20

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Solution

The fourth proportional to 163,066.20, 244,599.30 and 139,738.20 is: 209,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,066.20 : 244,599.30 = 139,738.20 : x
  2. Step 2: Convert to fraction form
    163,066.20/244,599.30 = 139,738.20/x
  3. Step 3: Cross multiply
    163,066.20x = 244,599.30 × 139,738.20
  4. Step 4: Simplify right side
    163,066.20x = 34,179,865,903.26
  5. Step 5: Solve for x
    x = 34,179,865,903.26/163,066.20
  6. Step 6: Final answer
    x = 209,607.30

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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.