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Finding the Fourth Proportional to 190,847.60, 286,271.40 and 134,860.40

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Solution

The fourth proportional to 190,847.60, 286,271.40 and 134,860.40 is: 202,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,847.60 : 286,271.40 = 134,860.40 : x
  2. Step 2: Convert to fraction form
    190,847.60/286,271.40 = 134,860.40/x
  3. Step 3: Cross multiply
    190,847.60x = 286,271.40 × 134,860.40
  4. Step 4: Simplify right side
    190,847.60x = 38,606,675,512.56
  5. Step 5: Solve for x
    x = 38,606,675,512.56/190,847.60
  6. Step 6: Final answer
    x = 202,290.60

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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.