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Finding the Fourth Proportional to 145,849.30, 204,811.10 and 145,849.30

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Solution

The fourth proportional to 145,849.30, 204,811.10 and 145,849.30 is: 204,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,849.30 : 204,811.10 = 145,849.30 : x
  2. Step 2: Convert to fraction form
    145,849.30/204,811.10 = 145,849.30/x
  3. Step 3: Cross multiply
    145,849.30x = 204,811.10 × 145,849.30
  4. Step 4: Simplify right side
    145,849.30x = 29,871,555,567.23
  5. Step 5: Solve for x
    x = 29,871,555,567.23/145,849.30
  6. Step 6: Final answer
    x = 204,811.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.