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Finding the Fourth Proportional to 73,615.80, 106,535.55 and 73,615.80

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Solution

The fourth proportional to 73,615.80, 106,535.55 and 73,615.80 is: 106,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,615.80 : 106,535.55 = 73,615.80 : x
  2. Step 2: Convert to fraction form
    73,615.80/106,535.55 = 73,615.80/x
  3. Step 3: Cross multiply
    73,615.80x = 106,535.55 × 73,615.80
  4. Step 4: Simplify right side
    73,615.80x = 7,842,699,741.69
  5. Step 5: Solve for x
    x = 7,842,699,741.69/73,615.80
  6. Step 6: Final answer
    x = 106,535.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.