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Finding the Fourth Proportional to 110,897.34, 166,359.83 and 43,420.66

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Solution

The fourth proportional to 110,897.34, 166,359.83 and 43,420.66 is: 65,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,897.34 : 166,359.83 = 43,420.66 : x
  2. Step 2: Convert to fraction form
    110,897.34/166,359.83 = 43,420.66/x
  3. Step 3: Cross multiply
    110,897.34x = 166,359.83 × 43,420.66
  4. Step 4: Simplify right side
    110,897.34x = 7,223,452,983.08
  5. Step 5: Solve for x
    x = 7,223,452,983.08/110,897.34
  6. Step 6: Final answer
    x = 65,136.40

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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.