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Finding the Fourth Proportional to 60,817.20, 91,204.20 and 42,097.20

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Solution

The fourth proportional to 60,817.20, 91,204.20 and 42,097.20 is: 63,130.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,817.20 : 91,204.20 = 42,097.20 : x
  2. Step 2: Convert to fraction form
    60,817.20/91,204.20 = 42,097.20/x
  3. Step 3: Cross multiply
    60,817.20x = 91,204.20 × 42,097.20
  4. Step 4: Simplify right side
    60,817.20x = 3,839,441,448.24
  5. Step 5: Solve for x
    x = 3,839,441,448.24/60,817.20
  6. Step 6: Final answer
    x = 63,130.85

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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.