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Finding the Fourth Proportional to 245,777.65, 368,809.77 and 103,614.22

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Solution

The fourth proportional to 245,777.65, 368,809.77 and 103,614.22 is: 155,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,777.65 : 368,809.77 = 103,614.22 : x
  2. Step 2: Convert to fraction form
    245,777.65/368,809.77 = 103,614.22/x
  3. Step 3: Cross multiply
    245,777.65x = 368,809.77 × 103,614.22
  4. Step 4: Simplify right side
    245,777.65x = 38,213,936,646.93
  5. Step 5: Solve for x
    x = 38,213,936,646.93/245,777.65
  6. Step 6: Final answer
    x = 155,481.74

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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.