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Finding the Fourth Proportional to 163,243.60, 244,865.40 and 113,477.20

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Solution

The fourth proportional to 163,243.60, 244,865.40 and 113,477.20 is: 170,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,243.60 : 244,865.40 = 113,477.20 : x
  2. Step 2: Convert to fraction form
    163,243.60/244,865.40 = 113,477.20/x
  3. Step 3: Cross multiply
    163,243.60x = 244,865.40 × 113,477.20
  4. Step 4: Simplify right side
    163,243.60x = 27,786,639,968.88
  5. Step 5: Solve for x
    x = 27,786,639,968.88/163,243.60
  6. Step 6: Final answer
    x = 170,215.80

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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.