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Finding the Fourth Proportional to 73,400.40, 101,285.64 and 50,763.60

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Solution

The fourth proportional to 73,400.40, 101,285.64 and 50,763.60 is: 70,048.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,400.40 : 101,285.64 = 50,763.60 : x
  2. Step 2: Convert to fraction form
    73,400.40/101,285.64 = 50,763.60/x
  3. Step 3: Cross multiply
    73,400.40x = 101,285.64 × 50,763.60
  4. Step 4: Simplify right side
    73,400.40x = 5,141,623,714.70
  5. Step 5: Solve for x
    x = 5,141,623,714.70/73,400.40
  6. Step 6: Final answer
    x = 70,048.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.