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Finding the Fourth Proportional to 73,365.33, 109,949.45 and 40,035.45

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Solution

The fourth proportional to 73,365.33, 109,949.45 and 40,035.45 is: 59,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,365.33 : 109,949.45 = 40,035.45 : x
  2. Step 2: Convert to fraction form
    73,365.33/109,949.45 = 40,035.45/x
  3. Step 3: Cross multiply
    73,365.33x = 109,949.45 × 40,035.45
  4. Step 4: Simplify right side
    73,365.33x = 4,401,875,507.83
  5. Step 5: Solve for x
    x = 4,401,875,507.83/73,365.33
  6. Step 6: Final answer
    x = 59,999.40

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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.