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Finding the Fourth Proportional to 190,847.25, 286,270.88 and 59,519.25

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Solution

The fourth proportional to 190,847.25, 286,270.88 and 59,519.25 is: 89,278.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,847.25 : 286,270.88 = 59,519.25 : x
  2. Step 2: Convert to fraction form
    190,847.25/286,270.88 = 59,519.25/x
  3. Step 3: Cross multiply
    190,847.25x = 286,270.88 × 59,519.25
  4. Step 4: Simplify right side
    190,847.25x = 17,038,627,776.84
  5. Step 5: Solve for x
    x = 17,038,627,776.84/190,847.25
  6. Step 6: Final answer
    x = 89,278.88

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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.