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Finding the Fourth Proportional to 101,164.20, 151,746.30 and 42,042.30

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Solution

The fourth proportional to 101,164.20, 151,746.30 and 42,042.30 is: 63,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,164.20 : 151,746.30 = 42,042.30 : x
  2. Step 2: Convert to fraction form
    101,164.20/151,746.30 = 42,042.30/x
  3. Step 3: Cross multiply
    101,164.20x = 151,746.30 × 42,042.30
  4. Step 4: Simplify right side
    101,164.20x = 6,379,763,468.49
  5. Step 5: Solve for x
    x = 6,379,763,468.49/101,164.20
  6. Step 6: Final answer
    x = 63,063.45

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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.