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Finding the Fourth Proportional to 70,859.80, 96,448.06 and 70,859.80

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Solution

The fourth proportional to 70,859.80, 96,448.06 and 70,859.80 is: 96,448.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,859.80 : 96,448.06 = 70,859.80 : x
  2. Step 2: Convert to fraction form
    70,859.80/96,448.06 = 70,859.80/x
  3. Step 3: Cross multiply
    70,859.80x = 96,448.06 × 70,859.80
  4. Step 4: Simplify right side
    70,859.80x = 6,834,290,241.99
  5. Step 5: Solve for x
    x = 6,834,290,241.99/70,859.80
  6. Step 6: Final answer
    x = 96,448.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.