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Finding the Fourth Proportional to 73,402.40, 101,288.40 and 50,765.60

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Solution

The fourth proportional to 73,402.40, 101,288.40 and 50,765.60 is: 70,051.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,402.40 : 101,288.40 = 50,765.60 : x
  2. Step 2: Convert to fraction form
    73,402.40/101,288.40 = 50,765.60/x
  3. Step 3: Cross multiply
    73,402.40x = 101,288.40 × 50,765.60
  4. Step 4: Simplify right side
    73,402.40x = 5,141,966,399.04
  5. Step 5: Solve for x
    x = 5,141,966,399.04/73,402.40
  6. Step 6: Final answer
    x = 70,051.75

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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.