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Finding the Fourth Proportional to 96,645.40, 144,968.10 and 25,567.90

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Solution

The fourth proportional to 96,645.40, 144,968.10 and 25,567.90 is: 38,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,645.40 : 144,968.10 = 25,567.90 : x
  2. Step 2: Convert to fraction form
    96,645.40/144,968.10 = 25,567.90/x
  3. Step 3: Cross multiply
    96,645.40x = 144,968.10 × 25,567.90
  4. Step 4: Simplify right side
    96,645.40x = 3,706,529,883.99
  5. Step 5: Solve for x
    x = 3,706,529,883.99/96,645.40
  6. Step 6: Final answer
    x = 38,351.85

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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.