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Finding the Fourth Proportional to 73,296.12, 101,148.42 and 39,762.12

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Solution

The fourth proportional to 73,296.12, 101,148.42 and 39,762.12 is: 54,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,296.12 : 101,148.42 = 39,762.12 : x
  2. Step 2: Convert to fraction form
    73,296.12/101,148.42 = 39,762.12/x
  3. Step 3: Cross multiply
    73,296.12x = 101,148.42 × 39,762.12
  4. Step 4: Simplify right side
    73,296.12x = 4,021,875,613.85
  5. Step 5: Solve for x
    x = 4,021,875,613.85/73,296.12
  6. Step 6: Final answer
    x = 54,871.60

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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.