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Finding the Fourth Proportional to 73,412.49, 101,329.25 and 43,207.50

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Solution

The fourth proportional to 73,412.49, 101,329.25 and 43,207.50 is: 59,638.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,412.49 : 101,329.25 = 43,207.50 : x
  2. Step 2: Convert to fraction form
    73,412.49/101,329.25 = 43,207.50/x
  3. Step 3: Cross multiply
    73,412.49x = 101,329.25 × 43,207.50
  4. Step 4: Simplify right side
    73,412.49x = 4,378,183,353.34
  5. Step 5: Solve for x
    x = 4,378,183,353.34/73,412.49
  6. Step 6: Final answer
    x = 59,638.13

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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.