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Finding the Fourth Proportional to 73,346.50, 101,218.44 and 39,812.50

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Solution

The fourth proportional to 73,346.50, 101,218.44 and 39,812.50 is: 54,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,346.50 : 101,218.44 = 39,812.50 : x
  2. Step 2: Convert to fraction form
    73,346.50/101,218.44 = 39,812.50/x
  3. Step 3: Cross multiply
    73,346.50x = 101,218.44 × 39,812.50
  4. Step 4: Simplify right side
    73,346.50x = 4,029,759,142.50
  5. Step 5: Solve for x
    x = 4,029,759,142.50/73,346.50
  6. Step 6: Final answer
    x = 54,941.40

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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.