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Finding the Fourth Proportional to 161,800.90, 242,701.16 and 43,472.24

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Solution

The fourth proportional to 161,800.90, 242,701.16 and 43,472.24 is: 65,208.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,800.90 : 242,701.16 = 43,472.24 : x
  2. Step 2: Convert to fraction form
    161,800.90/242,701.16 = 43,472.24/x
  3. Step 3: Cross multiply
    161,800.90x = 242,701.16 × 43,472.24
  4. Step 4: Simplify right side
    161,800.90x = 10,550,762,555.06
  5. Step 5: Solve for x
    x = 10,550,762,555.06/161,800.90
  6. Step 6: Final answer
    x = 65,208.31

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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.